From 052c19e60d3c4dcded53f2c591efb5de84efd68c Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Thu, 19 Sep 2013 12:15:26 +0530 Subject: net: cdc-phonet: Staticize usbpn_probe MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 'usbpn_probe' is referenced only in this file. Make it static. Signed-off-by: Sachin Kamat Acked-by: Rémi Denis-Courmont Cc: Rémi Denis-Courmont Signed-off-by: David S. Miller --- drivers/net/usb/cdc-phonet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index 7d78669000d7..6358d420e185 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -328,7 +328,7 @@ MODULE_DEVICE_TABLE(usb, usbpn_ids); static struct usb_driver usbpn_driver; -int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id) +static int usbpn_probe(struct usb_interface *intf, const struct usb_device_id *id) { static const char ifname[] = "usbpn%d"; const struct usb_cdc_union_desc *union_header = NULL; -- cgit v1.2.3 From 905468fa4d54c3e572ed3045cd47cce37780716e Mon Sep 17 00:00:00 2001 From: Fabio Porcedda Date: Wed, 25 Sep 2013 11:21:25 +0200 Subject: net: qmi_wwan: add Telit LE920 newer firmware support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Newer firmware use a new pid and a different interface. Signed-off-by: Fabio Porcedda Acked-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 6312332afeba..5f6b6fa508df 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -714,6 +714,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ + {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ {QMI_FIXED_INTF(0x1e2d, 0x12d1, 4)}, /* Cinterion PLxx */ /* 4. Gobi 1000 devices */ -- cgit v1.2.3 From e05849512662e789232dafed71ba65729f101e70 Mon Sep 17 00:00:00 2001 From: Fabio Porcedda Date: Wed, 25 Sep 2013 11:21:26 +0200 Subject: net: qmi_wwan: fix checkpatch warnings Signed-off-by: Fabio Porcedda Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 56 +++++++++++++++++++++++++++++----------------- 1 file changed, 36 insertions(+), 20 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 5f6b6fa508df..0e59f9e4498b 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -143,16 +143,22 @@ static const struct net_device_ops qmi_wwan_netdev_ops = { .ndo_validate_addr = eth_validate_addr, }; -/* using a counter to merge subdriver requests with our own into a combined state */ +/* using a counter to merge subdriver requests with our own into a + * combined state + */ static int qmi_wwan_manage_power(struct usbnet *dev, int on) { struct qmi_wwan_state *info = (void *)&dev->data; int rv = 0; - dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, atomic_read(&info->pmcount), on); + dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, + atomic_read(&info->pmcount), on); - if ((on && atomic_add_return(1, &info->pmcount) == 1) || (!on && atomic_dec_and_test(&info->pmcount))) { - /* need autopm_get/put here to ensure the usbcore sees the new value */ + if ((on && atomic_add_return(1, &info->pmcount) == 1) || + (!on && atomic_dec_and_test(&info->pmcount))) { + /* need autopm_get/put here to ensure the usbcore sees + * the new value + */ rv = usb_autopm_get_interface(dev->intf); if (rv < 0) goto err; @@ -199,7 +205,8 @@ static int qmi_wwan_register_subdriver(struct usbnet *dev) atomic_set(&info->pmcount, 0); /* register subdriver */ - subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, 4096, &qmi_wwan_cdc_wdm_manage_power); + subdriver = usb_cdc_wdm_register(info->control, &dev->status->desc, + 4096, &qmi_wwan_cdc_wdm_manage_power); if (IS_ERR(subdriver)) { dev_err(&info->control->dev, "subdriver registration failed\n"); rv = PTR_ERR(subdriver); @@ -228,7 +235,8 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) struct usb_driver *driver = driver_of(intf); struct qmi_wwan_state *info = (void *)&dev->data; - BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < sizeof(struct qmi_wwan_state))); + BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < + sizeof(struct qmi_wwan_state))); /* set up initial state */ info->control = intf; @@ -250,7 +258,8 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) goto err; } if (h->bLength != sizeof(struct usb_cdc_header_desc)) { - dev_dbg(&intf->dev, "CDC header len %u\n", h->bLength); + dev_dbg(&intf->dev, "CDC header len %u\n", + h->bLength); goto err; } break; @@ -260,7 +269,8 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) goto err; } if (h->bLength != sizeof(struct usb_cdc_union_desc)) { - dev_dbg(&intf->dev, "CDC union len %u\n", h->bLength); + dev_dbg(&intf->dev, "CDC union len %u\n", + h->bLength); goto err; } cdc_union = (struct usb_cdc_union_desc *)buf; @@ -271,15 +281,15 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) goto err; } if (h->bLength != sizeof(struct usb_cdc_ether_desc)) { - dev_dbg(&intf->dev, "CDC ether len %u\n", h->bLength); + dev_dbg(&intf->dev, "CDC ether len %u\n", + h->bLength); goto err; } cdc_ether = (struct usb_cdc_ether_desc *)buf; break; } - /* - * Remember which CDC functional descriptors we've seen. Works + /* Remember which CDC functional descriptors we've seen. Works * for all types we care about, of which USB_CDC_ETHERNET_TYPE * (0x0f) is the highest numbered */ @@ -293,10 +303,14 @@ next_desc: /* Use separate control and data interfaces if we found a CDC Union */ if (cdc_union) { - info->data = usb_ifnum_to_if(dev->udev, cdc_union->bSlaveInterface0); - if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || !info->data) { - dev_err(&intf->dev, "bogus CDC Union: master=%u, slave=%u\n", - cdc_union->bMasterInterface0, cdc_union->bSlaveInterface0); + info->data = usb_ifnum_to_if(dev->udev, + cdc_union->bSlaveInterface0); + if (desc->bInterfaceNumber != cdc_union->bMasterInterface0 || + !info->data) { + dev_err(&intf->dev, + "bogus CDC Union: master=%u, slave=%u\n", + cdc_union->bMasterInterface0, + cdc_union->bSlaveInterface0); goto err; } } @@ -374,8 +388,7 @@ static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) struct qmi_wwan_state *info = (void *)&dev->data; int ret; - /* - * Both usbnet_suspend() and subdriver->suspend() MUST return 0 + /* Both usbnet_suspend() and subdriver->suspend() MUST return 0 * in system sleep context, otherwise, the resume callback has * to recover device from previous suspend failure. */ @@ -383,7 +396,8 @@ static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) if (ret < 0) goto err; - if (intf == info->control && info->subdriver && info->subdriver->suspend) + if (intf == info->control && info->subdriver && + info->subdriver->suspend) ret = info->subdriver->suspend(intf, message); if (ret < 0) usbnet_resume(intf); @@ -396,7 +410,8 @@ static int qmi_wwan_resume(struct usb_interface *intf) struct usbnet *dev = usb_get_intfdata(intf); struct qmi_wwan_state *info = (void *)&dev->data; int ret = 0; - bool callsub = (intf == info->control && info->subdriver && info->subdriver->resume); + bool callsub = (intf == info->control && info->subdriver && + info->subdriver->resume); if (callsub) ret = info->subdriver->resume(intf); @@ -777,7 +792,8 @@ static const struct usb_device_id products[] = { }; MODULE_DEVICE_TABLE(usb, products); -static int qmi_wwan_probe(struct usb_interface *intf, const struct usb_device_id *prod) +static int qmi_wwan_probe(struct usb_interface *intf, + const struct usb_device_id *prod) { struct usb_device_id *id = (struct usb_device_id *)prod; -- cgit v1.2.3 From d458cdf712e0c671e8e819abb16ecd6e44f9daec Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 1 Oct 2013 19:04:40 -0700 Subject: net:drivers/net: Miscellaneous conversions to ETH_ALEN Convert the memset/memcpy uses of 6 to ETH_ALEN where appropriate. Also convert some struct definitions and u8 array declarations of [6] to ETH_ALEN. Signed-off-by: Joe Perches Acked-by: Arend van Spriel Signed-off-by: David S. Miller --- drivers/net/ethernet/8390/ax88796.c | 2 +- drivers/net/ethernet/amd/atarilance.c | 4 +- drivers/net/ethernet/amd/au1000_eth.c | 2 +- drivers/net/ethernet/amd/pcnet32.c | 2 +- drivers/net/ethernet/apple/bmac.c | 4 +- drivers/net/ethernet/broadcom/b44.c | 2 +- drivers/net/ethernet/broadcom/bnx2.c | 6 +- drivers/net/ethernet/broadcom/cnic.c | 4 +- drivers/net/ethernet/broadcom/tg3.c | 10 +-- drivers/net/ethernet/chelsio/cxgb/pm3393.c | 4 +- drivers/net/ethernet/davicom/dm9000.c | 2 +- .../net/ethernet/freescale/fs_enet/fs_enet-main.c | 2 +- drivers/net/ethernet/freescale/ucc_geth.c | 2 +- drivers/net/ethernet/i825xx/82596.c | 4 +- drivers/net/ethernet/i825xx/lib82596.c | 6 +- drivers/net/ethernet/ibm/emac/core.c | 2 +- drivers/net/ethernet/ibm/ibmveth.c | 4 +- drivers/net/ethernet/intel/igb/igb_main.c | 2 +- drivers/net/ethernet/intel/igbvf/vf.c | 4 +- drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 9 +-- drivers/net/ethernet/intel/ixgbevf/vf.c | 4 +- drivers/net/ethernet/jme.c | 4 +- drivers/net/ethernet/korina.c | 2 +- drivers/net/ethernet/marvell/mv643xx_eth.c | 4 +- drivers/net/ethernet/micrel/ks8851_mll.c | 4 +- drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 4 +- drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 2 +- drivers/net/ethernet/renesas/sh_eth.c | 2 +- drivers/net/ethernet/sgi/meth.c | 2 +- drivers/net/ethernet/smsc/smsc911x.c | 2 +- drivers/net/ethernet/sun/cassini.c | 2 +- drivers/net/ethernet/sun/sungem.c | 2 +- drivers/net/ethernet/sun/sunhme.c | 10 +-- drivers/net/ethernet/sun/sunqe.c | 2 +- drivers/net/ethernet/ti/davinci_emac.c | 2 +- drivers/net/ethernet/tile/tilegx.c | 2 +- drivers/net/ethernet/xilinx/xilinx_emaclite.c | 2 +- drivers/net/fddi/skfp/fplustm.c | 2 +- drivers/net/fddi/skfp/skfddi.c | 6 +- drivers/net/plip/plip.c | 2 +- drivers/net/usb/catc.c | 8 +- drivers/net/wireless/ath/ath10k/wmi.c | 2 +- drivers/net/wireless/ath/wil6210/cfg80211.c | 4 +- drivers/net/wireless/atmel.c | 92 +++++++++++----------- drivers/net/wireless/b43/xmit.c | 2 +- drivers/net/wireless/b43legacy/xmit.c | 2 +- drivers/net/wireless/brcm80211/brcmsmac/main.c | 6 +- drivers/net/wireless/hostap/hostap_info.c | 2 +- drivers/net/wireless/ipw2x00/ipw2200.c | 2 +- drivers/net/wireless/prism54/isl_ioctl.c | 10 +-- drivers/net/wireless/prism54/islpci_dev.c | 2 +- drivers/net/wireless/prism54/oid_mgt.c | 2 +- drivers/net/wireless/rtlwifi/core.c | 10 +-- net/bridge/br_multicast.c | 4 +- net/bridge/netfilter/ebt_among.c | 2 +- net/mac80211/trace.h | 4 +- 57 files changed, 146 insertions(+), 149 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c index f92f001551da..36fa577970bb 100644 --- a/drivers/net/ethernet/8390/ax88796.c +++ b/drivers/net/ethernet/8390/ax88796.c @@ -702,7 +702,7 @@ static int ax_init_dev(struct net_device *dev) for (i = 0; i < 16; i++) SA_prom[i] = SA_prom[i+i]; - memcpy(dev->dev_addr, SA_prom, 6); + memcpy(dev->dev_addr, SA_prom, ETH_ALEN); } #ifdef CONFIG_AX88796_93CX6 diff --git a/drivers/net/ethernet/amd/atarilance.c b/drivers/net/ethernet/amd/atarilance.c index 10ceca523fc0..e07ce5ff2d48 100644 --- a/drivers/net/ethernet/amd/atarilance.c +++ b/drivers/net/ethernet/amd/atarilance.c @@ -586,10 +586,10 @@ static unsigned long __init lance_probe1( struct net_device *dev, switch( lp->cardtype ) { case OLD_RIEBL: /* No ethernet address! (Set some default address) */ - memcpy( dev->dev_addr, OldRieblDefHwaddr, 6 ); + memcpy(dev->dev_addr, OldRieblDefHwaddr, ETH_ALEN); break; case NEW_RIEBL: - lp->memcpy_f( dev->dev_addr, RIEBL_HWADDR_ADDR, 6 ); + lp->memcpy_f(dev->dev_addr, RIEBL_HWADDR_ADDR, ETH_ALEN); break; case PAM_CARD: i = IO->eeprom; diff --git a/drivers/net/ethernet/amd/au1000_eth.c b/drivers/net/ethernet/amd/au1000_eth.c index 91d52b495848..427c148bb643 100644 --- a/drivers/net/ethernet/amd/au1000_eth.c +++ b/drivers/net/ethernet/amd/au1000_eth.c @@ -1138,7 +1138,7 @@ static int au1000_probe(struct platform_device *pdev) aup->phy1_search_mac0 = 1; } else { if (is_valid_ether_addr(pd->mac)) { - memcpy(dev->dev_addr, pd->mac, 6); + memcpy(dev->dev_addr, pd->mac, ETH_ALEN); } else { /* Set a random MAC since no valid provided by platform_data. */ eth_hw_addr_random(dev); diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index 2d8e28819779..bd4e6402003a 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -1675,7 +1675,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) pr_cont(" warning: CSR address invalid,\n"); pr_info(" using instead PROM address of"); } - memcpy(dev->dev_addr, promaddr, 6); + memcpy(dev->dev_addr, promaddr, ETH_ALEN); } } diff --git a/drivers/net/ethernet/apple/bmac.c b/drivers/net/ethernet/apple/bmac.c index a597b766f080..daae0e016253 100644 --- a/drivers/net/ethernet/apple/bmac.c +++ b/drivers/net/ethernet/apple/bmac.c @@ -1220,8 +1220,8 @@ static void bmac_reset_and_enable(struct net_device *dev) if (skb != NULL) { data = skb_put(skb, ETHERMINPACKET); memset(data, 0, ETHERMINPACKET); - memcpy(data, dev->dev_addr, 6); - memcpy(data+6, dev->dev_addr, 6); + memcpy(data, dev->dev_addr, ETH_ALEN); + memcpy(data + ETH_ALEN, dev->dev_addr, ETH_ALEN); bmac_transmit_packet(skb, dev); } spin_unlock_irqrestore(&bp->lock, flags); diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index c96930f12932..079a597fa20c 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -2111,7 +2111,7 @@ static int b44_get_invariants(struct b44 *bp) * valid PHY address. */ bp->phy_addr &= 0x1F; - memcpy(bp->dev->dev_addr, addr, 6); + memcpy(bp->dev->dev_addr, addr, ETH_ALEN); if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){ pr_err("Invalid MAC address found in EEPROM\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index e838a3f74b69..61118708fe98 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -5761,8 +5761,8 @@ bnx2_run_loopback(struct bnx2 *bp, int loopback_mode) if (!skb) return -ENOMEM; packet = skb_put(skb, pkt_size); - memcpy(packet, bp->dev->dev_addr, 6); - memset(packet + 6, 0x0, 8); + memcpy(packet, bp->dev->dev_addr, ETH_ALEN); + memset(packet + ETH_ALEN, 0x0, 8); for (i = 14; i < pkt_size; i++) packet[i] = (unsigned char) (i & 0xff); @@ -8514,7 +8514,7 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, dev); - memcpy(dev->dev_addr, bp->mac_addr, 6); + memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN); dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO_ECN | diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 99394bd49a13..f58a8b80302d 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -393,7 +393,7 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type, csk->vlan_id = path_resp->vlan_id; - memcpy(csk->ha, path_resp->mac_addr, 6); + memcpy(csk->ha, path_resp->mac_addr, ETH_ALEN); if (test_bit(SK_F_IPV6, &csk->flags)) memcpy(&csk->src_ip[0], &path_resp->src.v6_addr, sizeof(struct in6_addr)); @@ -5572,7 +5572,7 @@ static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev) if (cdev->max_fcoe_conn > BNX2X_FCOE_NUM_CONNECTIONS) cdev->max_fcoe_conn = BNX2X_FCOE_NUM_CONNECTIONS; - memcpy(cdev->mac_addr, ethdev->iscsi_mac, 6); + memcpy(cdev->mac_addr, ethdev->iscsi_mac, ETH_ALEN); cp->cnic_ops = &cnic_bnx2x_ops; cp->start_hw = cnic_start_bnx2x_hw; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index a17a3c93e398..498569e99a1c 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -13214,8 +13214,8 @@ static int tg3_run_loopback(struct tg3 *tp, u32 pktsz, bool tso_loopback) return -ENOMEM; tx_data = skb_put(skb, tx_len); - memcpy(tx_data, tp->dev->dev_addr, 6); - memset(tx_data + 6, 0x0, 8); + memcpy(tx_data, tp->dev->dev_addr, ETH_ALEN); + memset(tx_data + ETH_ALEN, 0x0, 8); tw32(MAC_RX_MTU_SIZE, tx_len + ETH_FCS_LEN); @@ -16661,8 +16661,8 @@ static int tg3_get_macaddr_sparc(struct tg3 *tp) int len; addr = of_get_property(dp, "local-mac-address", &len); - if (addr && len == 6) { - memcpy(dev->dev_addr, addr, 6); + if (addr && len == ETH_ALEN) { + memcpy(dev->dev_addr, addr, ETH_ALEN); return 0; } return -ENODEV; @@ -16672,7 +16672,7 @@ static int tg3_get_default_macaddr_sparc(struct tg3 *tp) { struct net_device *dev = tp->dev; - memcpy(dev->dev_addr, idprom->id_ethaddr, 6); + memcpy(dev->dev_addr, idprom->id_ethaddr, ETH_ALEN); return 0; } #endif diff --git a/drivers/net/ethernet/chelsio/cxgb/pm3393.c b/drivers/net/ethernet/chelsio/cxgb/pm3393.c index 40c7b93ababc..eb33a31b08a0 100644 --- a/drivers/net/ethernet/chelsio/cxgb/pm3393.c +++ b/drivers/net/ethernet/chelsio/cxgb/pm3393.c @@ -499,7 +499,7 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac, static int pm3393_macaddress_get(struct cmac *cmac, u8 mac_addr[6]) { - memcpy(mac_addr, cmac->instance->mac_addr, 6); + memcpy(mac_addr, cmac->instance->mac_addr, ETH_ALEN); return 0; } @@ -526,7 +526,7 @@ static int pm3393_macaddress_set(struct cmac *cmac, u8 ma[6]) */ /* Store local copy */ - memcpy(cmac->instance->mac_addr, ma, 6); + memcpy(cmac->instance->mac_addr, ma, ETH_ALEN); lo = ((u32) ma[1] << 8) | (u32) ma[0]; mid = ((u32) ma[3] << 8) | (u32) ma[2]; diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c index 5f5896e522d2..be8efeea51f2 100644 --- a/drivers/net/ethernet/davicom/dm9000.c +++ b/drivers/net/ethernet/davicom/dm9000.c @@ -1603,7 +1603,7 @@ dm9000_probe(struct platform_device *pdev) if (!is_valid_ether_addr(ndev->dev_addr) && pdata != NULL) { mac_src = "platform data"; - memcpy(ndev->dev_addr, pdata->dev_addr, 6); + memcpy(ndev->dev_addr, pdata->dev_addr, ETH_ALEN); } if (!is_valid_ether_addr(ndev->dev_addr)) { diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index 6b60582ce8cf..56f2f608a9f4 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -1083,7 +1083,7 @@ static int fs_enet_probe(struct platform_device *ofdev) mac_addr = of_get_mac_address(ofdev->dev.of_node); if (mac_addr) - memcpy(ndev->dev_addr, mac_addr, 6); + memcpy(ndev->dev_addr, mac_addr, ETH_ALEN); ret = fep->ops->allocate_bd(ndev); if (ret) diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index 5930c39672db..d58a3dfc95c2 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -3899,7 +3899,7 @@ static int ucc_geth_probe(struct platform_device* ofdev) mac_addr = of_get_mac_address(np); if (mac_addr) - memcpy(dev->dev_addr, mac_addr, 6); + memcpy(dev->dev_addr, mac_addr, ETH_ALEN); ugeth->ug_info = ug_info; ugeth->dev = device; diff --git a/drivers/net/ethernet/i825xx/82596.c b/drivers/net/ethernet/i825xx/82596.c index e38816145395..a15877affc9b 100644 --- a/drivers/net/ethernet/i825xx/82596.c +++ b/drivers/net/ethernet/i825xx/82596.c @@ -711,7 +711,7 @@ static int init_i596_mem(struct net_device *dev) i596_add_cmd(dev, &lp->cf_cmd.cmd); DEB(DEB_INIT,printk(KERN_DEBUG "%s: queuing CmdSASetup\n", dev->name)); - memcpy(lp->sa_cmd.eth_addr, dev->dev_addr, 6); + memcpy(lp->sa_cmd.eth_addr, dev->dev_addr, ETH_ALEN); lp->sa_cmd.cmd.command = CmdSASetup; i596_add_cmd(dev, &lp->sa_cmd.cmd); @@ -1155,7 +1155,7 @@ struct net_device * __init i82596_probe(int unit) err = -ENODEV; goto out; } - memcpy(eth_addr, (void *) 0xfffc1f2c, 6); /* YUCK! Get addr from NOVRAM */ + memcpy(eth_addr, (void *) 0xfffc1f2c, ETH_ALEN); /* YUCK! Get addr from NOVRAM */ dev->base_addr = MVME_I596_BASE; dev->irq = (unsigned) MVME16x_IRQ_I596; goto found; diff --git a/drivers/net/ethernet/i825xx/lib82596.c b/drivers/net/ethernet/i825xx/lib82596.c index d653bac4cfc4..861fa15e1e81 100644 --- a/drivers/net/ethernet/i825xx/lib82596.c +++ b/drivers/net/ethernet/i825xx/lib82596.c @@ -607,7 +607,7 @@ static int init_i596_mem(struct net_device *dev) i596_add_cmd(dev, &dma->cf_cmd.cmd); DEB(DEB_INIT, printk(KERN_DEBUG "%s: queuing CmdSASetup\n", dev->name)); - memcpy(dma->sa_cmd.eth_addr, dev->dev_addr, 6); + memcpy(dma->sa_cmd.eth_addr, dev->dev_addr, ETH_ALEN); dma->sa_cmd.cmd.command = SWAP16(CmdSASetup); DMA_WBACK(dev, &(dma->sa_cmd), sizeof(struct sa_cmd)); i596_add_cmd(dev, &dma->sa_cmd.cmd); @@ -1396,13 +1396,13 @@ static void set_multicast_list(struct net_device *dev) netdev_for_each_mc_addr(ha, dev) { if (!cnt--) break; - memcpy(cp, ha->addr, 6); + memcpy(cp, ha->addr, ETH_ALEN); if (i596_debug > 1) DEB(DEB_MULTI, printk(KERN_DEBUG "%s: Adding address %pM\n", dev->name, cp)); - cp += 6; + cp += ETH_ALEN; } DMA_WBACK_INV(dev, &dma->mc_cmd, sizeof(struct mc_cmd)); i596_add_cmd(dev, &cmd->cmd); diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 6b5c7222342c..ef21a2e10180 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2676,7 +2676,7 @@ static int emac_init_config(struct emac_instance *dev) np->full_name); return -ENXIO; } - memcpy(dev->ndev->dev_addr, p, 6); + memcpy(dev->ndev->dev_addr, p, ETH_ALEN); /* IAHT and GAHT filter parameterization */ if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC)) { diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 5d41aee69d16..952d795230a4 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1185,7 +1185,7 @@ static void ibmveth_set_multicast_list(struct net_device *netdev) netdev_for_each_mc_addr(ha, netdev) { /* add the multicast address to the filter table */ unsigned long mcast_addr = 0; - memcpy(((char *)&mcast_addr)+2, ha->addr, 6); + memcpy(((char *)&mcast_addr)+2, ha->addr, ETH_ALEN); lpar_rc = h_multicast_ctrl(adapter->vdev->unit_address, IbmVethMcastAddFilter, mcast_addr); @@ -1370,7 +1370,7 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id) netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16); adapter->mac_addr = 0; - memcpy(&adapter->mac_addr, mac_addr_p, 6); + memcpy(&adapter->mac_addr, mac_addr_p, ETH_ALEN); netdev->irq = dev->irq; netdev->netdev_ops = &ibmveth_netdev_ops; diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index a56266eacc64..a505d3bad09a 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5708,7 +5708,7 @@ static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf) /* reply to reset with ack and vf mac address */ msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK; - memcpy(addr, vf_mac, 6); + memcpy(addr, vf_mac, ETH_ALEN); igb_write_mbx(hw, msgbuf, 3, vf); } diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c index eea0e10ce12f..955ad8c2c534 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.c +++ b/drivers/net/ethernet/intel/igbvf/vf.c @@ -154,7 +154,7 @@ static s32 e1000_reset_hw_vf(struct e1000_hw *hw) ret_val = mbx->ops.read_posted(hw, msgbuf, 3); if (!ret_val) { if (msgbuf[0] == (E1000_VF_RESET | E1000_VT_MSGTYPE_ACK)) - memcpy(hw->mac.perm_addr, addr, 6); + memcpy(hw->mac.perm_addr, addr, ETH_ALEN); else ret_val = -E1000_ERR_MAC_INIT; } @@ -314,7 +314,7 @@ static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index) memset(msgbuf, 0, 12); msgbuf[0] = E1000_VF_SET_MAC_ADDR; - memcpy(msg_addr, addr, 6); + memcpy(msg_addr, addr, ETH_ALEN); ret_val = mbx->ops.write_posted(hw, msgbuf, 3); if (!ret_val) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 276d7b135332..1fe7cb0142e1 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -558,7 +558,7 @@ static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, struct ixgbe_hw *hw = &adapter->hw; int rar_entry = hw->mac.num_rar_entries - (vf + 1); - memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6); + memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, ETH_ALEN); hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV); return 0; @@ -621,16 +621,13 @@ static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) { - unsigned char vf_mac_addr[6]; struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); unsigned int vfn = (event_mask & 0x3f); bool enable = ((event_mask & 0x10000000U) != 0); - if (enable) { - eth_zero_addr(vf_mac_addr); - memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6); - } + if (enable) + eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses); return 0; } diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c index 387b52635bc0..4d44d64ae387 100644 --- a/drivers/net/ethernet/intel/ixgbevf/vf.c +++ b/drivers/net/ethernet/intel/ixgbevf/vf.c @@ -242,7 +242,7 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr) msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT; msgbuf[0] |= IXGBE_VF_SET_MACVLAN; if (addr) - memcpy(msg_addr, addr, 6); + memcpy(msg_addr, addr, ETH_ALEN); ret_val = mbx->ops.write_posted(hw, msgbuf, 3); if (!ret_val) @@ -275,7 +275,7 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, memset(msgbuf, 0, sizeof(msgbuf)); msgbuf[0] = IXGBE_VF_SET_MAC_ADDR; - memcpy(msg_addr, addr, 6); + memcpy(msg_addr, addr, ETH_ALEN); ret_val = mbx->ops.write_posted(hw, msgbuf, 3); if (!ret_val) diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 23de82a9da82..b56d2a29cd0e 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -309,7 +309,7 @@ static void jme_load_macaddr(struct net_device *netdev) { struct jme_adapter *jme = netdev_priv(netdev); - unsigned char macaddr[6]; + unsigned char macaddr[ETH_ALEN]; u32 val; spin_lock_bh(&jme->macaddr_lock); @@ -321,7 +321,7 @@ jme_load_macaddr(struct net_device *netdev) val = jread32(jme, JME_RXUMA_HI); macaddr[4] = (val >> 0) & 0xFF; macaddr[5] = (val >> 8) & 0xFF; - memcpy(netdev->dev_addr, macaddr, 6); + memcpy(netdev->dev_addr, macaddr, ETH_ALEN); spin_unlock_bh(&jme->macaddr_lock); } diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index a36fa80968eb..4a5e3b0f712e 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -1110,7 +1110,7 @@ static int korina_probe(struct platform_device *pdev) lp = netdev_priv(dev); bif->dev = dev; - memcpy(dev->dev_addr, bif->mac, 6); + memcpy(dev->dev_addr, bif->mac, ETH_ALEN); lp->rx_irq = platform_get_irq_byname(pdev, "korina_rx"); lp->tx_irq = platform_get_irq_byname(pdev, "korina_tx"); diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 7fb5677451f9..99f16cbf2fd8 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -2514,7 +2514,7 @@ static int mv643xx_eth_shared_of_add_port(struct platform_device *pdev, mac_addr = of_get_mac_address(pnp); if (mac_addr) - memcpy(ppd.mac_addr, mac_addr, 6); + memcpy(ppd.mac_addr, mac_addr, ETH_ALEN); mv643xx_eth_property(pnp, "tx-queue-size", ppd.tx_queue_size); mv643xx_eth_property(pnp, "tx-sram-addr", ppd.tx_sram_addr); @@ -2696,7 +2696,7 @@ static void set_params(struct mv643xx_eth_private *mp, struct net_device *dev = mp->dev; if (is_valid_ether_addr(pd->mac_addr)) - memcpy(dev->dev_addr, pd->mac_addr, 6); + memcpy(dev->dev_addr, pd->mac_addr, ETH_ALEN); else uc_addr_get(mp, dev->dev_addr); diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c index 075f4e21d33d..c83d16dc7cd5 100644 --- a/drivers/net/ethernet/micrel/ks8851_mll.c +++ b/drivers/net/ethernet/micrel/ks8851_mll.c @@ -1248,7 +1248,7 @@ static void ks_set_mac(struct ks_net *ks, u8 *data) w = ((u & 0xFF) << 8) | ((u >> 8) & 0xFF); ks_wrreg16(ks, KS_MARL, w); - memcpy(ks->mac_addr, data, 6); + memcpy(ks->mac_addr, data, ETH_ALEN); if (ks->enabled) ks_start_rx(ks); @@ -1651,7 +1651,7 @@ static int ks8851_probe(struct platform_device *pdev) } netdev_info(netdev, "Mac address is: %pM\n", ks->mac_addr); - memcpy(netdev->dev_addr, ks->mac_addr, 6); + memcpy(netdev->dev_addr, ks->mac_addr, ETH_ALEN); ks_set_mac(ks, netdev->dev_addr); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 149355b52ad0..6ddaf7b3d92e 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -3164,7 +3164,7 @@ static void myri10ge_set_multicast_list(struct net_device *dev) /* Walk the multicast list, and add each address */ netdev_for_each_mc_addr(ha, dev) { - memcpy(data, &ha->addr, 6); + memcpy(data, &ha->addr, ETH_ALEN); cmd.data0 = ntohl(data[0]); cmd.data1 = ntohl(data[1]); err = myri10ge_send_cmd(mgp, MXGEFW_JOIN_MULTICAST_GROUP, @@ -3207,7 +3207,7 @@ static int myri10ge_set_mac_address(struct net_device *dev, void *addr) } /* change the dev structure */ - memcpy(dev->dev_addr, sa->sa_data, 6); + memcpy(dev->dev_addr, sa->sa_data, ETH_ALEN); return 0; } diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c index 8375cbde9969..67efe754367d 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_hw.c @@ -648,7 +648,7 @@ nx_p3_sre_macaddr_change(struct netxen_adapter *adapter, u8 *addr, unsigned op) mac_req = (nx_mac_req_t *)&req.words[0]; mac_req->op = op; - memcpy(mac_req->mac_addr, addr, 6); + memcpy(mac_req->mac_addr, addr, ETH_ALEN); return netxen_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1); } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index f8adc7b01f1f..73e72eb83bdf 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -445,7 +445,7 @@ int qlcnic_82xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, mac_req = (struct qlcnic_mac_req *)&req.words[0]; mac_req->op = op; - memcpy(mac_req->mac_addr, addr, 6); + memcpy(mac_req->mac_addr, addr, ETH_ALEN); vlan_req = (struct qlcnic_vlan_req *)&req.words[1]; vlan_req->vlan_id = cpu_to_le16(vlan_id); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 5cd831ebfa83..c8df52bac162 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -868,7 +868,7 @@ static void update_mac_address(struct net_device *ndev) static void read_mac_address(struct net_device *ndev, unsigned char *mac) { if (mac[0] || mac[1] || mac[2] || mac[3] || mac[4] || mac[5]) { - memcpy(ndev->dev_addr, mac, 6); + memcpy(ndev->dev_addr, mac, ETH_ALEN); } else { ndev->dev_addr[0] = (sh_eth_read(ndev, MAHR) >> 24); ndev->dev_addr[1] = (sh_eth_read(ndev, MAHR) >> 16) & 0xFF; diff --git a/drivers/net/ethernet/sgi/meth.c b/drivers/net/ethernet/sgi/meth.c index 770036bc2d87..513ed8b1ba58 100644 --- a/drivers/net/ethernet/sgi/meth.c +++ b/drivers/net/ethernet/sgi/meth.c @@ -839,7 +839,7 @@ static int meth_probe(struct platform_device *pdev) dev->watchdog_timeo = timeout; dev->irq = MACE_ETHERNET_IRQ; dev->base_addr = (unsigned long)&mace->eth; - memcpy(dev->dev_addr, o2meth_eaddr, 6); + memcpy(dev->dev_addr, o2meth_eaddr, ETH_ALEN); priv = netdev_priv(dev); spin_lock_init(&priv->meth_lock); diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 5fdbc2686eb3..01f8459c3213 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2502,7 +2502,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev) SMSC_TRACE(pdata, probe, "MAC Address is specified by configuration"); } else if (is_valid_ether_addr(pdata->config.mac)) { - memcpy(dev->dev_addr, pdata->config.mac, 6); + memcpy(dev->dev_addr, pdata->config.mac, ETH_ALEN); SMSC_TRACE(pdata, probe, "MAC Address specified by platform data"); } else { diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c index 759441b29e53..a72ecc42885d 100644 --- a/drivers/net/ethernet/sun/cassini.c +++ b/drivers/net/ethernet/sun/cassini.c @@ -3354,7 +3354,7 @@ use_random_mac_addr: #if defined(CONFIG_SPARC) addr = of_get_property(cp->of_node, "local-mac-address", NULL); if (addr != NULL) { - memcpy(dev_addr, addr, 6); + memcpy(dev_addr, addr, ETH_ALEN); goto done; } #endif diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index e62df2b81302..a235bd9fd980 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -2779,7 +2779,7 @@ static int gem_get_device_address(struct gem *gp) return -1; #endif } - memcpy(dev->dev_addr, addr, 6); + memcpy(dev->dev_addr, addr, ETH_ALEN); #else get_gem_mac_nonobp(gp->pdev, gp->dev->dev_addr); #endif diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index e37b587b3860..99043b74bf2b 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -2675,10 +2675,10 @@ static int happy_meal_sbus_probe_one(struct platform_device *op, int is_qfe) addr = of_get_property(dp, "local-mac-address", &len); - if (qfe_slot != -1 && addr && len == 6) - memcpy(dev->dev_addr, addr, 6); + if (qfe_slot != -1 && addr && len == ETH_ALEN) + memcpy(dev->dev_addr, addr, ETH_ALEN); else - memcpy(dev->dev_addr, idprom->id_ethaddr, 6); + memcpy(dev->dev_addr, idprom->id_ethaddr, ETH_ALEN); } hp = netdev_priv(dev); @@ -3024,9 +3024,9 @@ static int happy_meal_pci_probe(struct pci_dev *pdev, (addr = of_get_property(dp, "local-mac-address", &len)) != NULL && len == 6) { - memcpy(dev->dev_addr, addr, 6); + memcpy(dev->dev_addr, addr, ETH_ALEN); } else { - memcpy(dev->dev_addr, idprom->id_ethaddr, 6); + memcpy(dev->dev_addr, idprom->id_ethaddr, ETH_ALEN); } #else get_hme_mac_nonsparc(pdev, &dev->dev_addr[0]); diff --git a/drivers/net/ethernet/sun/sunqe.c b/drivers/net/ethernet/sun/sunqe.c index b072f4dba033..5695ae2411de 100644 --- a/drivers/net/ethernet/sun/sunqe.c +++ b/drivers/net/ethernet/sun/sunqe.c @@ -843,7 +843,7 @@ static int qec_ether_init(struct platform_device *op) if (!dev) return -ENOMEM; - memcpy(dev->dev_addr, idprom->id_ethaddr, 6); + memcpy(dev->dev_addr, idprom->id_ethaddr, ETH_ALEN); qe = netdev_priv(dev); diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 67df09ea9d04..fba1c489a911 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1853,7 +1853,7 @@ static int davinci_emac_probe(struct platform_device *pdev) } /* MAC addr and PHY mask , RMII enable info from platform_data */ - memcpy(priv->mac_addr, pdata->mac_addr, 6); + memcpy(priv->mac_addr, pdata->mac_addr, ETH_ALEN); priv->phy_id = pdata->phy_id; priv->rmii_en = pdata->rmii_en; priv->version = pdata->version; diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 13e6fff8ca23..628b736e5ae7 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -2230,7 +2230,7 @@ static void tile_net_dev_init(const char *name, const uint8_t *mac) nz_addr |= mac[i]; if (nz_addr) { - memcpy(dev->dev_addr, mac, 6); + memcpy(dev->dev_addr, mac, ETH_ALEN); dev->addr_len = 6; } else { eth_hw_addr_random(dev); diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c index 80dd40417850..74234a51c851 100644 --- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c +++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c @@ -1172,7 +1172,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev) if (mac_address) /* Set the MAC address. */ - memcpy(ndev->dev_addr, mac_address, 6); + memcpy(ndev->dev_addr, mac_address, ETH_ALEN); else dev_warn(dev, "No MAC address found\n"); diff --git a/drivers/net/fddi/skfp/fplustm.c b/drivers/net/fddi/skfp/fplustm.c index a20ed1a98099..f83993590174 100644 --- a/drivers/net/fddi/skfp/fplustm.c +++ b/drivers/net/fddi/skfp/fplustm.c @@ -453,7 +453,7 @@ static void directed_beacon(struct s_smc *smc) */ * (char *) a = (char) ((long)DBEACON_INFO<<24L) ; a[1] = 0 ; - memcpy((char *)a+1,(char *) &smc->mib.m[MAC0].fddiMACUpstreamNbr,6) ; + memcpy((char *)a+1, (char *) &smc->mib.m[MAC0].fddiMACUpstreamNbr, ETH_ALEN); CHECK_NPP() ; /* set memory address reg for writes */ diff --git a/drivers/net/fddi/skfp/skfddi.c b/drivers/net/fddi/skfp/skfddi.c index f5d7305a5784..713d303a06a9 100644 --- a/drivers/net/fddi/skfp/skfddi.c +++ b/drivers/net/fddi/skfp/skfddi.c @@ -436,7 +436,7 @@ static int skfp_driver_init(struct net_device *dev) } read_address(smc, NULL); pr_debug("HW-Addr: %pMF\n", smc->hw.fddi_canon_addr.a); - memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, 6); + memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, ETH_ALEN); smt_reset_defaults(smc, 0); @@ -503,7 +503,7 @@ static int skfp_open(struct net_device *dev) * address. */ read_address(smc, NULL); - memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, 6); + memcpy(dev->dev_addr, smc->hw.fddi_canon_addr.a, ETH_ALEN); init_smt(smc, NULL); smt_online(smc, 1); @@ -1213,7 +1213,7 @@ static void CheckSourceAddress(unsigned char *frame, unsigned char *hw_addr) if ((unsigned short) frame[1 + 10] != 0) return; SRBit = frame[1 + 6] & 0x01; - memcpy(&frame[1 + 6], hw_addr, 6); + memcpy(&frame[1 + 6], hw_addr, ETH_ALEN); frame[8] |= SRBit; } // CheckSourceAddress diff --git a/drivers/net/plip/plip.c b/drivers/net/plip/plip.c index 1f7bef90b467..7b4ff35c8bf7 100644 --- a/drivers/net/plip/plip.c +++ b/drivers/net/plip/plip.c @@ -1002,7 +1002,7 @@ plip_rewrite_address(const struct net_device *dev, struct ethhdr *eth) /* Any address will do - we take the first */ const struct in_ifaddr *ifa = in_dev->ifa_list; if (ifa) { - memcpy(eth->h_source, dev->dev_addr, 6); + memcpy(eth->h_source, dev->dev_addr, ETH_ALEN); memset(eth->h_dest, 0xfc, 2); memcpy(eth->h_dest+2, &ifa->ifa_address, 4); } diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c index 8d5cac2d8e33..df507e6dbb9c 100644 --- a/drivers/net/usb/catc.c +++ b/drivers/net/usb/catc.c @@ -640,10 +640,10 @@ static void catc_set_multicast_list(struct net_device *netdev) { struct catc *catc = netdev_priv(netdev); struct netdev_hw_addr *ha; - u8 broadcast[6]; + u8 broadcast[ETH_ALEN]; u8 rx = RxEnable | RxPolarity | RxMultiCast; - memset(broadcast, 0xff, 6); + memset(broadcast, 0xff, ETH_ALEN); memset(catc->multicast, 0, 64); catc_multicast(broadcast, catc->multicast); @@ -778,7 +778,7 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id struct usb_device *usbdev = interface_to_usbdev(intf); struct net_device *netdev; struct catc *catc; - u8 broadcast[6]; + u8 broadcast[ETH_ALEN]; int i, pktsz; if (usb_set_interface(usbdev, @@ -882,7 +882,7 @@ static int catc_probe(struct usb_interface *intf, const struct usb_device_id *id dev_dbg(dev, "Filling the multicast list.\n"); - memset(broadcast, 0xff, 6); + memset(broadcast, 0xff, ETH_ALEN); catc_multicast(broadcast, catc->multicast); catc_multicast(netdev->dev_addr, catc->multicast); catc_write_mem(catc, 0xfa80, catc->multicast, 64); diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 55f90c761868..bee88e841a7f 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1918,7 +1918,7 @@ int ath10k_wmi_peer_set_param(struct ath10k *ar, u32 vdev_id, cmd->vdev_id = __cpu_to_le32(vdev_id); cmd->param_id = __cpu_to_le32(param_id); cmd->param_value = __cpu_to_le32(param_value); - memcpy(&cmd->peer_macaddr.addr, peer_addr, 6); + memcpy(&cmd->peer_macaddr.addr, peer_addr, ETH_ALEN); ath10k_dbg(ATH10K_DBG_WMI, "wmi vdev %d peer 0x%pM set param %d value %d\n", diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 61c302a6bdea..5b340769d5bb 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -316,8 +316,8 @@ static int wil_cfg80211_connect(struct wiphy *wiphy, } conn.channel = ch - 1; - memcpy(conn.bssid, bss->bssid, 6); - memcpy(conn.dst_mac, bss->bssid, 6); + memcpy(conn.bssid, bss->bssid, ETH_ALEN); + memcpy(conn.dst_mac, bss->bssid, ETH_ALEN); /* * FW don't support scan after connection attempt */ diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c index b827d51c30a3..a55ae6494c3b 100644 --- a/drivers/net/wireless/atmel.c +++ b/drivers/net/wireless/atmel.c @@ -844,18 +844,18 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev) if (priv->wep_is_on) frame_ctl |= IEEE80211_FCTL_PROTECTED; if (priv->operating_mode == IW_MODE_ADHOC) { - skb_copy_from_linear_data(skb, &header.addr1, 6); - memcpy(&header.addr2, dev->dev_addr, 6); - memcpy(&header.addr3, priv->BSSID, 6); + skb_copy_from_linear_data(skb, &header.addr1, ETH_ALEN); + memcpy(&header.addr2, dev->dev_addr, ETH_ALEN); + memcpy(&header.addr3, priv->BSSID, ETH_ALEN); } else { frame_ctl |= IEEE80211_FCTL_TODS; - memcpy(&header.addr1, priv->CurrentBSSID, 6); - memcpy(&header.addr2, dev->dev_addr, 6); - skb_copy_from_linear_data(skb, &header.addr3, 6); + memcpy(&header.addr1, priv->CurrentBSSID, ETH_ALEN); + memcpy(&header.addr2, dev->dev_addr, ETH_ALEN); + skb_copy_from_linear_data(skb, &header.addr3, ETH_ALEN); } if (priv->use_wpa) - memcpy(&header.addr4, SNAP_RFC1024, 6); + memcpy(&header.addr4, SNAP_RFC1024, ETH_ALEN); header.frame_control = cpu_to_le16(frame_ctl); /* Copy the wireless header into the card */ @@ -929,11 +929,11 @@ static void fast_rx_path(struct atmel_private *priv, } } - memcpy(skbp, header->addr1, 6); /* destination address */ + memcpy(skbp, header->addr1, ETH_ALEN); /* destination address */ if (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FROMDS) - memcpy(&skbp[6], header->addr3, 6); + memcpy(&skbp[ETH_ALEN], header->addr3, ETH_ALEN); else - memcpy(&skbp[6], header->addr2, 6); /* source address */ + memcpy(&skbp[ETH_ALEN], header->addr2, ETH_ALEN); /* source address */ skb->protocol = eth_type_trans(skb, priv->dev); skb->ip_summed = CHECKSUM_NONE; @@ -969,14 +969,14 @@ static void frag_rx_path(struct atmel_private *priv, u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, u8 frag_no, int more_frags) { - u8 mac4[6]; - u8 source[6]; + u8 mac4[ETH_ALEN]; + u8 source[ETH_ALEN]; struct sk_buff *skb; if (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FROMDS) - memcpy(source, header->addr3, 6); + memcpy(source, header->addr3, ETH_ALEN); else - memcpy(source, header->addr2, 6); + memcpy(source, header->addr2, ETH_ALEN); rx_packet_loc += 24; /* skip header */ @@ -984,9 +984,9 @@ static void frag_rx_path(struct atmel_private *priv, msdu_size -= 4; if (frag_no == 0) { /* first fragment */ - atmel_copy_to_host(priv->dev, mac4, rx_packet_loc, 6); - msdu_size -= 6; - rx_packet_loc += 6; + atmel_copy_to_host(priv->dev, mac4, rx_packet_loc, ETH_ALEN); + msdu_size -= ETH_ALEN; + rx_packet_loc += ETH_ALEN; if (priv->do_rx_crc) crc = crc32_le(crc, mac4, 6); @@ -994,9 +994,9 @@ static void frag_rx_path(struct atmel_private *priv, priv->frag_seq = seq_no; priv->frag_no = 1; priv->frag_len = msdu_size; - memcpy(priv->frag_source, source, 6); - memcpy(&priv->rx_buf[6], source, 6); - memcpy(priv->rx_buf, header->addr1, 6); + memcpy(priv->frag_source, source, ETH_ALEN); + memcpy(&priv->rx_buf[ETH_ALEN], source, ETH_ALEN); + memcpy(priv->rx_buf, header->addr1, ETH_ALEN); atmel_copy_to_host(priv->dev, &priv->rx_buf[12], rx_packet_loc, msdu_size); @@ -1006,13 +1006,13 @@ static void frag_rx_path(struct atmel_private *priv, atmel_copy_to_host(priv->dev, (void *)&netcrc, rx_packet_loc + msdu_size, 4); if ((crc ^ 0xffffffff) != netcrc) { priv->dev->stats.rx_crc_errors++; - memset(priv->frag_source, 0xff, 6); + memset(priv->frag_source, 0xff, ETH_ALEN); } } } else if (priv->frag_no == frag_no && priv->frag_seq == seq_no && - memcmp(priv->frag_source, source, 6) == 0) { + memcmp(priv->frag_source, source, ETH_ALEN) == 0) { atmel_copy_to_host(priv->dev, &priv->rx_buf[12 + priv->frag_len], rx_packet_loc, msdu_size); @@ -1024,7 +1024,7 @@ static void frag_rx_path(struct atmel_private *priv, atmel_copy_to_host(priv->dev, (void *)&netcrc, rx_packet_loc + msdu_size, 4); if ((crc ^ 0xffffffff) != netcrc) { priv->dev->stats.rx_crc_errors++; - memset(priv->frag_source, 0xff, 6); + memset(priv->frag_source, 0xff, ETH_ALEN); more_frags = 1; /* don't send broken assembly */ } } @@ -1033,7 +1033,7 @@ static void frag_rx_path(struct atmel_private *priv, priv->frag_no++; if (!more_frags) { /* last one */ - memset(priv->frag_source, 0xff, 6); + memset(priv->frag_source, 0xff, ETH_ALEN); if (!(skb = dev_alloc_skb(priv->frag_len + 14))) { priv->dev->stats.rx_dropped++; } else { @@ -1129,7 +1129,7 @@ static void rx_done_irq(struct atmel_private *priv) atmel_copy_to_host(priv->dev, (unsigned char *)&priv->rx_buf, rx_packet_loc + 24, msdu_size); /* we use the same buffer for frag reassembly and control packets */ - memset(priv->frag_source, 0xff, 6); + memset(priv->frag_source, 0xff, ETH_ALEN); if (priv->do_rx_crc) { /* last 4 octets is crc */ @@ -1557,7 +1557,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port, priv->last_qual = jiffies; priv->last_beacon_timestamp = 0; memset(priv->frag_source, 0xff, sizeof(priv->frag_source)); - memset(priv->BSSID, 0, 6); + memset(priv->BSSID, 0, ETH_ALEN); priv->CurrentBSSID[0] = 0xFF; /* Initialize to something invalid.... */ priv->station_was_associated = 0; @@ -1718,7 +1718,7 @@ static int atmel_get_wap(struct net_device *dev, char *extra) { struct atmel_private *priv = netdev_priv(dev); - memcpy(awrq->sa_data, priv->CurrentBSSID, 6); + memcpy(awrq->sa_data, priv->CurrentBSSID, ETH_ALEN); awrq->sa_family = ARPHRD_ETHER; return 0; @@ -2356,7 +2356,7 @@ static int atmel_get_scan(struct net_device *dev, for (i = 0; i < priv->BSS_list_entries; i++) { iwe.cmd = SIOCGIWAP; iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, priv->BSSinfo[i].BSSID, 6); + memcpy(iwe.u.ap_addr.sa_data, priv->BSSinfo[i].BSSID, ETH_ALEN); current_ev = iwe_stream_add_event(info, current_ev, extra + IW_SCAN_MAX_DATA, &iwe, IW_EV_ADDR_LEN); @@ -2760,7 +2760,7 @@ static void atmel_enter_state(struct atmel_private *priv, int new_state) static void atmel_scan(struct atmel_private *priv, int specific_ssid) { struct { - u8 BSSID[6]; + u8 BSSID[ETH_ALEN]; u8 SSID[MAX_SSID_LENGTH]; u8 scan_type; u8 channel; @@ -2771,7 +2771,7 @@ static void atmel_scan(struct atmel_private *priv, int specific_ssid) u8 SSID_size; } cmd; - memset(cmd.BSSID, 0xff, 6); + memset(cmd.BSSID, 0xff, ETH_ALEN); if (priv->fast_scan) { cmd.SSID_size = priv->SSID_size; @@ -2816,7 +2816,7 @@ static void join(struct atmel_private *priv, int type) cmd.SSID_size = priv->SSID_size; memcpy(cmd.SSID, priv->SSID, priv->SSID_size); - memcpy(cmd.BSSID, priv->CurrentBSSID, 6); + memcpy(cmd.BSSID, priv->CurrentBSSID, ETH_ALEN); cmd.channel = (priv->channel & 0x7f); cmd.BSS_type = type; cmd.timeout = cpu_to_le16(2000); @@ -2837,7 +2837,7 @@ static void start(struct atmel_private *priv, int type) cmd.SSID_size = priv->SSID_size; memcpy(cmd.SSID, priv->SSID, priv->SSID_size); - memcpy(cmd.BSSID, priv->BSSID, 6); + memcpy(cmd.BSSID, priv->BSSID, ETH_ALEN); cmd.BSS_type = type; cmd.channel = (priv->channel & 0x7f); @@ -2883,9 +2883,9 @@ static void send_authentication_request(struct atmel_private *priv, u16 system, header.frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); header.duration_id = cpu_to_le16(0x8000); header.seq_ctrl = 0; - memcpy(header.addr1, priv->CurrentBSSID, 6); - memcpy(header.addr2, priv->dev->dev_addr, 6); - memcpy(header.addr3, priv->CurrentBSSID, 6); + memcpy(header.addr1, priv->CurrentBSSID, ETH_ALEN); + memcpy(header.addr2, priv->dev->dev_addr, ETH_ALEN); + memcpy(header.addr3, priv->CurrentBSSID, ETH_ALEN); if (priv->wep_is_on && priv->CurrentAuthentTransactionSeqNum != 1) /* no WEP for authentication frames with TrSeqNo 1 */ @@ -2916,7 +2916,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) struct ass_req_format { __le16 capability; __le16 listen_interval; - u8 ap[6]; /* nothing after here directly accessible */ + u8 ap[ETH_ALEN]; /* nothing after here directly accessible */ u8 ssid_el_id; u8 ssid_len; u8 ssid[MAX_SSID_LENGTH]; @@ -2930,9 +2930,9 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) header.duration_id = cpu_to_le16(0x8000); header.seq_ctrl = 0; - memcpy(header.addr1, priv->CurrentBSSID, 6); - memcpy(header.addr2, priv->dev->dev_addr, 6); - memcpy(header.addr3, priv->CurrentBSSID, 6); + memcpy(header.addr1, priv->CurrentBSSID, ETH_ALEN); + memcpy(header.addr2, priv->dev->dev_addr, ETH_ALEN); + memcpy(header.addr3, priv->CurrentBSSID, ETH_ALEN); body.capability = cpu_to_le16(WLAN_CAPABILITY_ESS); if (priv->wep_is_on) @@ -2944,7 +2944,7 @@ static void send_association_request(struct atmel_private *priv, int is_reassoc) /* current AP address - only in reassoc frame */ if (is_reassoc) { - memcpy(body.ap, priv->CurrentBSSID, 6); + memcpy(body.ap, priv->CurrentBSSID, ETH_ALEN); ssid_el_p = &body.ssid_el_id; bodysize = 18 + priv->SSID_size; } else { @@ -3021,7 +3021,7 @@ static void store_bss_info(struct atmel_private *priv, int i, index; for (index = -1, i = 0; i < priv->BSS_list_entries; i++) - if (memcmp(bss, priv->BSSinfo[i].BSSID, 6) == 0) + if (memcmp(bss, priv->BSSinfo[i].BSSID, ETH_ALEN) == 0) index = i; /* If we process a probe and an entry from this BSS exists @@ -3032,7 +3032,7 @@ static void store_bss_info(struct atmel_private *priv, if (priv->BSS_list_entries == MAX_BSS_ENTRIES) return; index = priv->BSS_list_entries++; - memcpy(priv->BSSinfo[index].BSSID, bss, 6); + memcpy(priv->BSSinfo[index].BSSID, bss, ETH_ALEN); priv->BSSinfo[index].RSSI = rssi; } else { if (rssi > priv->BSSinfo[index].RSSI) @@ -3235,7 +3235,7 @@ static void atmel_join_bss(struct atmel_private *priv, int bss_index) { struct bss_info *bss = &priv->BSSinfo[bss_index]; - memcpy(priv->CurrentBSSID, bss->BSSID, 6); + memcpy(priv->CurrentBSSID, bss->BSSID, ETH_ALEN); memcpy(priv->SSID, bss->SSID, priv->SSID_size = bss->SSIDsize); /* The WPA stuff cares about the current AP address */ @@ -3767,7 +3767,7 @@ static int probe_atmel_card(struct net_device *dev) 0x00, 0x04, 0x25, 0x00, 0x00, 0x00 }; printk(KERN_ALERT "%s: *** Invalid MAC address. UPGRADE Firmware ****\n", dev->name); - memcpy(dev->dev_addr, default_mac, 6); + memcpy(dev->dev_addr, default_mac, ETH_ALEN); } } @@ -3819,7 +3819,7 @@ static void build_wpa_mib(struct atmel_private *priv) struct { /* NB this is matched to the hardware, don't change. */ u8 cipher_default_key_value[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE]; - u8 receiver_address[6]; + u8 receiver_address[ETH_ALEN]; u8 wep_is_on; u8 default_key; /* 0..3 */ u8 group_key; @@ -3837,7 +3837,7 @@ static void build_wpa_mib(struct atmel_private *priv) mib.wep_is_on = priv->wep_is_on; mib.exclude_unencrypted = priv->exclude_unencrypted; - memcpy(mib.receiver_address, priv->CurrentBSSID, 6); + memcpy(mib.receiver_address, priv->CurrentBSSID, ETH_ALEN); /* zero all the keys before adding in valid ones. */ memset(mib.cipher_default_key_value, 0, sizeof(mib.cipher_default_key_value)); diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 8cb206a89083..4ae63f4ddfb2 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -278,7 +278,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, else txhdr->phy_rate = b43_plcp_get_ratecode_cck(rate); txhdr->mac_frame_ctl = wlhdr->frame_control; - memcpy(txhdr->tx_receiver, wlhdr->addr1, 6); + memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN); /* Calculate duration for fallback rate */ if ((rate_fb == rate) || diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index 849a28c80302..86588c9ff0f2 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -215,7 +215,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value); txhdr->mac_frame_ctl = wlhdr->frame_control; - memcpy(txhdr->tx_receiver, wlhdr->addr1, 6); + memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN); /* Calculate duration for fallback rate */ if ((rate_fb->hw_value == rate) || diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 4608e0eb1493..69b14dc4dd55 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -1906,14 +1906,14 @@ static void brcms_c_get_macaddr(struct brcms_hardware *wlc_hw, u8 etheraddr[ETH_ /* If macaddr exists, use it (Sromrev4, CIS, ...). */ if (!is_zero_ether_addr(sprom->il0mac)) { - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); return; } if (wlc_hw->_nbands > 1) - memcpy(etheraddr, sprom->et1mac, 6); + memcpy(etheraddr, sprom->et1mac, ETH_ALEN); else - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); } /* power both the pll and external oscillator on/off */ diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c index 970a48baaf80..de7c4ffec309 100644 --- a/drivers/net/wireless/hostap/hostap_info.c +++ b/drivers/net/wireless/hostap/hostap_info.c @@ -217,7 +217,7 @@ static void prism2_host_roaming(local_info_t *local) } } - memcpy(req.bssid, selected->bssid, 6); + memcpy(req.bssid, selected->bssid, ETH_ALEN); req.channel = selected->chid; spin_unlock_irqrestore(&local->lock, flags); diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 6b823a1ab789..8711a511fd52 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -2698,7 +2698,7 @@ static u16 eeprom_read_u16(struct ipw_priv *priv, u8 addr) /* data's copy of the eeprom data */ static void eeprom_parse_mac(struct ipw_priv *priv, u8 * mac) { - memcpy(mac, &priv->eeprom[EEPROM_MAC_ADDRESS], 6); + memcpy(mac, &priv->eeprom[EEPROM_MAC_ADDRESS], ETH_ALEN); } static void ipw_read_eeprom(struct ipw_priv *priv) diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c index 1c22b81e6ef3..8863a6cb2388 100644 --- a/drivers/net/wireless/prism54/isl_ioctl.c +++ b/drivers/net/wireless/prism54/isl_ioctl.c @@ -183,7 +183,7 @@ prism54_update_stats(struct work_struct *work) data = r.ptr; /* copy this MAC to the bss */ - memcpy(bss.address, data, 6); + memcpy(bss.address, data, ETH_ALEN); kfree(data); /* now ask for the corresponding bss */ @@ -531,7 +531,7 @@ prism54_set_wap(struct net_device *ndev, struct iw_request_info *info, return -EINVAL; /* prepare the structure for the set object */ - memcpy(&bssid[0], awrq->sa_data, 6); + memcpy(&bssid[0], awrq->sa_data, ETH_ALEN); /* set the bssid -- does this make sense when in AP mode? */ rvalue = mgt_set_request(priv, DOT11_OID_BSSID, 0, &bssid); @@ -550,7 +550,7 @@ prism54_get_wap(struct net_device *ndev, struct iw_request_info *info, int rvalue; rvalue = mgt_get_request(priv, DOT11_OID_BSSID, 0, NULL, &r); - memcpy(awrq->sa_data, r.ptr, 6); + memcpy(awrq->sa_data, r.ptr, ETH_ALEN); awrq->sa_family = ARPHRD_ETHER; kfree(r.ptr); @@ -582,7 +582,7 @@ prism54_translate_bss(struct net_device *ndev, struct iw_request_info *info, size_t wpa_ie_len; /* The first entry must be the MAC address */ - memcpy(iwe.u.ap_addr.sa_data, bss->address, 6); + memcpy(iwe.u.ap_addr.sa_data, bss->address, ETH_ALEN); iwe.u.ap_addr.sa_family = ARPHRD_ETHER; iwe.cmd = SIOCGIWAP; current_ev = iwe_stream_add_event(info, current_ev, end_buf, @@ -2489,7 +2489,7 @@ prism54_set_mac_address(struct net_device *ndev, void *addr) &((struct sockaddr *) addr)->sa_data); if (!ret) memcpy(priv->ndev->dev_addr, - &((struct sockaddr *) addr)->sa_data, 6); + &((struct sockaddr *) addr)->sa_data, ETH_ALEN); return ret; } diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c index 5970ff6f40cc..41a16d30c79c 100644 --- a/drivers/net/wireless/prism54/islpci_dev.c +++ b/drivers/net/wireless/prism54/islpci_dev.c @@ -837,7 +837,7 @@ islpci_setup(struct pci_dev *pdev) /* ndev->set_multicast_list = &islpci_set_multicast_list; */ ndev->addr_len = ETH_ALEN; /* Get a non-zero dummy MAC address for nameif. Jean II */ - memcpy(ndev->dev_addr, dummy_mac, 6); + memcpy(ndev->dev_addr, dummy_mac, ETH_ALEN); ndev->watchdog_timeo = ISLPCI_TX_TIMEOUT; diff --git a/drivers/net/wireless/prism54/oid_mgt.c b/drivers/net/wireless/prism54/oid_mgt.c index a01606b36e03..056af38e72e3 100644 --- a/drivers/net/wireless/prism54/oid_mgt.c +++ b/drivers/net/wireless/prism54/oid_mgt.c @@ -682,7 +682,7 @@ mgt_update_addr(islpci_private *priv) isl_oid[GEN_OID_MACADDRESS].size, &res); if ((ret == 0) && res && (res->header->operation != PIMFOR_OP_ERROR)) - memcpy(priv->ndev->dev_addr, res->data, 6); + memcpy(priv->ndev->dev_addr, res->data, ETH_ALEN); else ret = -EIO; if (res) diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index 733b7ce7f0e2..210ce7cd94d8 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -115,7 +115,7 @@ static void rtl_op_stop(struct ieee80211_hw *hw) mutex_lock(&rtlpriv->locks.conf_mutex); mac->link_state = MAC80211_NOLINK; - memset(mac->bssid, 0, 6); + memset(mac->bssid, 0, ETH_ALEN); mac->vendor = PEER_UNKNOWN; /*reset sec info */ @@ -280,7 +280,7 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw, mac->p2p = 0; mac->vif = NULL; mac->link_state = MAC80211_NOLINK; - memset(mac->bssid, 0, 6); + memset(mac->bssid, 0, ETH_ALEN); mac->vendor = PEER_UNKNOWN; mac->opmode = NL80211_IFTYPE_UNSPECIFIED; rtlpriv->cfg->ops->set_network_type(hw, mac->opmode); @@ -721,7 +721,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, mac->link_state = MAC80211_LINKED; mac->cnt_after_linked = 0; mac->assoc_id = bss_conf->aid; - memcpy(mac->bssid, bss_conf->bssid, 6); + memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); if (rtlpriv->cfg->ops->linked_set_reg) rtlpriv->cfg->ops->linked_set_reg(hw); @@ -750,7 +750,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if (ppsc->p2p_ps_info.p2p_ps_mode > P2P_PS_NONE) rtl_p2p_ps_cmd(hw, P2P_PS_DISABLE); mac->link_state = MAC80211_NOLINK; - memset(mac->bssid, 0, 6); + memset(mac->bssid, 0, ETH_ALEN); mac->vendor = PEER_UNKNOWN; if (rtlpriv->dm.supp_phymode_switch) { @@ -826,7 +826,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, bss_conf->bssid); mac->vendor = PEER_UNKNOWN; - memcpy(mac->bssid, bss_conf->bssid, 6); + memcpy(mac->bssid, bss_conf->bssid, ETH_ALEN); rtlpriv->cfg->ops->set_network_type(hw, vif->type); rcu_read_lock(); diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index d1c578630678..005d876dd86c 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -363,7 +363,7 @@ static struct sk_buff *br_ip4_multicast_alloc_query(struct net_bridge *br, skb_reset_mac_header(skb); eth = eth_hdr(skb); - memcpy(eth->h_source, br->dev->dev_addr, 6); + memcpy(eth->h_source, br->dev->dev_addr, ETH_ALEN); eth->h_dest[0] = 1; eth->h_dest[1] = 0; eth->h_dest[2] = 0x5e; @@ -433,7 +433,7 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br, skb_reset_mac_header(skb); eth = eth_hdr(skb); - memcpy(eth->h_source, br->dev->dev_addr, 6); + memcpy(eth->h_source, br->dev->dev_addr, ETH_ALEN); eth->h_proto = htons(ETH_P_IPV6); skb_put(skb, sizeof(*eth)); diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c index 8b84c581be30..3fb3c848affe 100644 --- a/net/bridge/netfilter/ebt_among.c +++ b/net/bridge/netfilter/ebt_among.c @@ -28,7 +28,7 @@ static bool ebt_mac_wormhash_contains(const struct ebt_mac_wormhash *wh, uint32_t cmp[2] = { 0, 0 }; int key = ((const unsigned char *)mac)[5]; - memcpy(((char *) cmp) + 2, mac, 6); + memcpy(((char *) cmp) + 2, mac, ETH_ALEN); start = wh->table[key]; limit = wh->table[key + 1]; if (ip) { diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 1aba645882bd..3fb9dd6d02fc 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -77,13 +77,13 @@ DECLARE_EVENT_CLASS(local_sdata_addr_evt, TP_STRUCT__entry( LOCAL_ENTRY VIF_ENTRY - __array(char, addr, 6) + __array(char, addr, ETH_ALEN) ), TP_fast_assign( LOCAL_ASSIGN; VIF_ASSIGN; - memcpy(__entry->addr, sdata->vif.addr, 6); + memcpy(__entry->addr, sdata->vif.addr, ETH_ALEN); ), TP_printk( -- cgit v1.2.3 From 5b8f15f78e6fdd572f9265ef24618c10267de318 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Thu, 31 Oct 2013 15:56:10 +0100 Subject: net: cdc_mbim: handle IPv6 Neigbor Solicitations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit MBIM is a point-to-point protocol transporting raw IP packets with no L2 headers. Only IPv4 and IPv6 are supported. ARP in particular is not, which is quite logical given the lack of L2 headers. The driver still emulates an ethernet interface, dropping all unsupported protocols, and avoiding neigbour resolving by setting the IFF_NOARP flag. The MBIM specification does not explicitly forbid IPv6 Neighbor Discovery, and it seems the other OS support will respond to Neighbor Solicitations on MBIM links. There are therefore buggy devices out there, which despite the pointlessness, still require Neighbor Discovery for IPv6 over MBIM. This is incompatible with the IFF_NOARP flag which disables both ARP and ND. We cannot support ARP in any case, so we have to keep that flag. This patch implements a workaround for the buggy devices, letting the driver respond directly to Neighbor Solicitations from the device. This is not optimal, but will have minimal effect on any sane device. Cc: Greg Suarez Reported-and-tested-by: Thomas Schäfer Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 58 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 25ba7eca9a13..6533a9f7918b 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -21,6 +21,8 @@ #include #include #include +#include +#include /* driver specific data - must match cdc_ncm usage */ struct cdc_mbim_state { @@ -184,6 +186,60 @@ error: return NULL; } +/* Some devices are known to send Neigbor Solicitation messages and + * require Neigbor Advertisement replies. The IPv6 core will not + * respond since IFF_NOARP is set, so we must handle them ourselves. + */ +static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci) +{ + struct ipv6hdr *iph = (void *)buf; + struct nd_msg *msg = (void *)(iph + 1); + struct net_device *netdev; + struct inet6_dev *in6_dev; + bool is_router; + + /* we'll only respond to requests from unicast addresses to + * our solicited node addresses. + */ + if (!ipv6_addr_is_solict_mult(&iph->daddr) || + !(ipv6_addr_type(&iph->saddr) & IPV6_ADDR_UNICAST)) + return; + + /* need to send the NA on the VLAN dev, if any */ + if (tci) + netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q), + tci); + else + netdev = dev->net; + if (!netdev) + return; + + in6_dev = in6_dev_get(netdev); + if (!in6_dev) + return; + is_router = !!in6_dev->cnf.forwarding; + in6_dev_put(in6_dev); + + /* ipv6_stub != NULL if in6_dev_get returned an inet6_dev */ + ipv6_stub->ndisc_send_na(netdev, NULL, &iph->saddr, &msg->target, + is_router /* router */, + true /* solicited */, + false /* override */, + true /* inc_opt */); +} + +static bool is_neigh_solicit(u8 *buf, size_t len) +{ + struct ipv6hdr *iph = (void *)buf; + struct nd_msg *msg = (void *)(iph + 1); + + return (len >= sizeof(struct ipv6hdr) + sizeof(struct nd_msg) && + iph->nexthdr == IPPROTO_ICMPV6 && + msg->icmph.icmp6_code == 0 && + msg->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION); +} + + static struct sk_buff *cdc_mbim_process_dgram(struct usbnet *dev, u8 *buf, size_t len, u16 tci) { __be16 proto = htons(ETH_P_802_3); @@ -198,6 +254,8 @@ static struct sk_buff *cdc_mbim_process_dgram(struct usbnet *dev, u8 *buf, size_ proto = htons(ETH_P_IP); break; case 0x60: + if (is_neigh_solicit(buf, len)) + do_neigh_solicit(dev, buf, tci); proto = htons(ETH_P_IPV6); break; default: -- cgit v1.2.3 From c1a2e95435976cb040db1f6c0afbe4287c3d2e28 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Thu, 31 Oct 2013 15:56:11 +0100 Subject: net: cdc_mbim: change the default to send ZLPs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit A number of devices in the wild have turned out to require ZLPs. Even if this is a spec violation, our priority is to make any device work as good as possible. Devices needing ZLPs will fail to receive any full sized frame we send. On the other hand, devices which do not need the ZLP will still work if we send them. This gives us no other option than sending ZLPs by default. This will prevent devices conforming to the spec from making the optimizations which are possible without ZLPs. Adding known such devices to a whitelist, to avoid the possible negative impact of the new spec violating default. Cc: Greg Suarez Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 6533a9f7918b..253472a8a983 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -429,9 +429,18 @@ static const struct driver_info cdc_mbim_info = { }; /* MBIM and NCM devices should not need a ZLP after NTBs with - * dwNtbOutMaxSize length. This driver_info is for the exceptional - * devices requiring it anyway, allowing them to be supported without - * forcing the performance penalty on all the sane devices. + * dwNtbOutMaxSize length. Nevertheless, a number of devices from + * different vendor IDs will fail unless we send ZLPs, forcing us + * to make this the default. + * + * This default may cause a performance penalty for spec conforming + * devices wanting to take advantage of optimizations possible without + * ZLPs. A whitelist is added in an attempt to avoid this for devices + * known to conform to the MBIM specification. + * + * All known devices supporting NCM compatibility mode are also + * conforming to the NCM and MBIM specifications. For this reason, the + * NCM subclass entry is also in the ZLP whitelist. */ static const struct driver_info cdc_mbim_info_zlp = { .description = "CDC MBIM", @@ -454,16 +463,13 @@ static const struct usb_device_id mbim_devs[] = { { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info, }, - /* Sierra Wireless MC7710 need ZLPs */ - { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long)&cdc_mbim_info_zlp, - }, - /* HP hs2434 Mobile Broadband Module needs ZLPs */ - { USB_DEVICE_AND_INTERFACE_INFO(0x3f0, 0x4b1d, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long)&cdc_mbim_info_zlp, + /* ZLP conformance whitelist: All Ericsson MBIM devices */ + { USB_VENDOR_AND_INTERFACE_INFO(0x0bdb, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&cdc_mbim_info, }, + /* default entry */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), - .driver_info = (unsigned long)&cdc_mbim_info, + .driver_info = (unsigned long)&cdc_mbim_info_zlp, }, { }, -- cgit v1.2.3 From 20572226fc789f9f515331d911a3bd3a0d24c67a Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:38 +0100 Subject: net: cdc_ncm: simplify and optimize frame padding MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We can avoid the costly division for the common case where we pad the frame to tx_max size as long as we ensure that tx_max is either the device specified dwNtbOutMaxSize or not a multiplum of wMaxPacketSize. Using the preconverted 'maxpacket' field avoids converting wMaxPacketSize to CPU endianness for every transmitted frame And since we only will hit the one byte padding rule for short frames, we can drop testing the skb for tailroom. The change means that tx_max now represents the real maximum skb size, enabling us to allocate the correct size instead of always making room for one extra byte. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 43afde8f48d2..38566bffca98 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -506,6 +506,15 @@ advance: dev->status = ctx->status_ep; dev->rx_urb_size = ctx->rx_max; + /* cdc_ncm_setup will override dwNtbOutMaxSize if it is + * outside the sane range. Adding a pad byte here if necessary + * simplifies the handling in cdc_ncm_fill_tx_frame, making + * tx_max always represent the real skb max size. + */ + if (ctx->tx_max != le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize) && + ctx->tx_max % usb_maxpacket(dev->udev, dev->out, 1) == 0) + ctx->tx_max++; + ctx->tx_speed = ctx->rx_speed = 0; return 0; @@ -664,6 +673,7 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ struct sk_buff * cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) { + struct usbnet *dev = netdev_priv(ctx->netdev); struct usb_cdc_ncm_nth16 *nth16; struct usb_cdc_ncm_ndp16 *ndp16; struct sk_buff *skb_out; @@ -683,7 +693,7 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) /* allocate a new OUT skb */ if (!skb_out) { - skb_out = alloc_skb((ctx->tx_max + 1), GFP_ATOMIC); + skb_out = alloc_skb(ctx->tx_max, GFP_ATOMIC); if (skb_out == NULL) { if (skb != NULL) { dev_kfree_skb_any(skb); @@ -788,19 +798,16 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) /* variables will be reset at next call */ } - /* - * If collected data size is less or equal CDC_NCM_MIN_TX_PKT bytes, - * we send buffers as it is. If we get more data, it would be more - * efficient for USB HS mobile device with DMA engine to receive a full - * size NTB, than canceling DMA transfer and receiving a short packet. + /* If collected data size is less or equal CDC_NCM_MIN_TX_PKT + * bytes, we send buffers as it is. If we get more data, it + * would be more efficient for USB HS mobile device with DMA + * engine to receive a full size NTB, than canceling DMA + * transfer and receiving a short packet. */ if (skb_out->len > CDC_NCM_MIN_TX_PKT) - /* final zero padding */ - memset(skb_put(skb_out, ctx->tx_max - skb_out->len), 0, ctx->tx_max - skb_out->len); - - /* do we need to prevent a ZLP? */ - if (((skb_out->len % le16_to_cpu(ctx->out_ep->desc.wMaxPacketSize)) == 0) && - (skb_out->len < le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize)) && skb_tailroom(skb_out)) + memset(skb_put(skb_out, ctx->tx_max - skb_out->len), 0, + ctx->tx_max - skb_out->len); + else if ((skb_out->len % dev->maxpacket) == 0) *skb_put(skb_out, 1) = 0; /* force short packet */ /* set final frame length */ -- cgit v1.2.3 From 3e515665a76ad8f60a1c05968cc6a5b2f2701171 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:40 +0100 Subject: net: cdc_ncm: remove redundant "intf" field MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is always a duplicate of the "control" field. It causes confusion wrt intf_data updates and cleanups. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 4 +--- include/linux/usb/cdc_ncm.h | 1 - 2 files changed, 1 insertion(+), 4 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 38566bffca98..bfab8796730f 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -382,7 +382,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ len = intf->cur_altsetting->extralen; ctx->udev = dev->udev; - ctx->intf = intf; /* parse through descriptors associated with control interface */ while ((len > 0) && (buf[0] > 2) && (buf[0] <= len)) { @@ -489,7 +488,6 @@ advance: usb_set_intfdata(ctx->data, dev); usb_set_intfdata(ctx->control, dev); - usb_set_intfdata(ctx->intf, dev); if (ctx->ether_desc) { temp = usbnet_get_ethernet_addr(dev, ctx->ether_desc->iMACAddress); @@ -562,7 +560,7 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf) ctx->control = NULL; } - usb_set_intfdata(ctx->intf, NULL); + usb_set_intfdata(intf, NULL); cdc_ncm_free(ctx); } EXPORT_SYMBOL_GPL(cdc_ncm_unbind); diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 89f0bbc2cf83..c14e00fb1667 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -103,7 +103,6 @@ struct cdc_ncm_ctx { struct usb_host_endpoint *in_ep; struct usb_host_endpoint *out_ep; struct usb_host_endpoint *status_ep; - struct usb_interface *intf; struct usb_interface *control; struct usb_interface *data; -- cgit v1.2.3 From ff1632aa8581b7103ac2af1ea3cb4a415eb9d6ad Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:41 +0100 Subject: net: cdc_ncm: remove redundant endpoint pointers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No need to duplicate stuff already in the common usbnet struct. We still need to keep our special find_endpoints function because we need explicit control over the selected altsetting. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 38 +++++++++++++++++++------------------- include/linux/usb/cdc_ncm.h | 3 --- 2 files changed, 19 insertions(+), 22 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index bfab8796730f..a989bd5290a6 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -292,9 +292,9 @@ max_dgram_err: } static void -cdc_ncm_find_endpoints(struct cdc_ncm_ctx *ctx, struct usb_interface *intf) +cdc_ncm_find_endpoints(struct usbnet *dev, struct usb_interface *intf) { - struct usb_host_endpoint *e; + struct usb_host_endpoint *e, *in = NULL, *out = NULL; u8 ep; for (ep = 0; ep < intf->cur_altsetting->desc.bNumEndpoints; ep++) { @@ -303,18 +303,18 @@ cdc_ncm_find_endpoints(struct cdc_ncm_ctx *ctx, struct usb_interface *intf) switch (e->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) { case USB_ENDPOINT_XFER_INT: if (usb_endpoint_dir_in(&e->desc)) { - if (ctx->status_ep == NULL) - ctx->status_ep = e; + if (!dev->status) + dev->status = e; } break; case USB_ENDPOINT_XFER_BULK: if (usb_endpoint_dir_in(&e->desc)) { - if (ctx->in_ep == NULL) - ctx->in_ep = e; + if (!in) + in = e; } else { - if (ctx->out_ep == NULL) - ctx->out_ep = e; + if (!out) + out = e; } break; @@ -322,6 +322,14 @@ cdc_ncm_find_endpoints(struct cdc_ncm_ctx *ctx, struct usb_interface *intf) break; } } + if (in && !dev->in) + dev->in = usb_rcvbulkpipe(dev->udev, + in->desc.bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK); + if (out && !dev->out) + dev->out = usb_sndbulkpipe(dev->udev, + out->desc.bEndpointAddress & + USB_ENDPOINT_NUMBER_MASK); } static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) @@ -477,11 +485,9 @@ advance: if (temp) goto error2; - cdc_ncm_find_endpoints(ctx, ctx->data); - cdc_ncm_find_endpoints(ctx, ctx->control); - - if ((ctx->in_ep == NULL) || (ctx->out_ep == NULL) || - (ctx->status_ep == NULL)) + cdc_ncm_find_endpoints(dev, ctx->data); + cdc_ncm_find_endpoints(dev, ctx->control); + if (!dev->in || !dev->out || !dev->status) goto error2; dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; @@ -496,12 +502,6 @@ advance: dev_info(&dev->udev->dev, "MAC-Address: %pM\n", dev->net->dev_addr); } - - dev->in = usb_rcvbulkpipe(dev->udev, - ctx->in_ep->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); - dev->out = usb_sndbulkpipe(dev->udev, - ctx->out_ep->desc.bEndpointAddress & USB_ENDPOINT_NUMBER_MASK); - dev->status = ctx->status_ep; dev->rx_urb_size = ctx->rx_max; /* cdc_ncm_setup will override dwNtbOutMaxSize if it is diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index c14e00fb1667..36e1e153ca2d 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -100,9 +100,6 @@ struct cdc_ncm_ctx { struct net_device *netdev; struct usb_device *udev; - struct usb_host_endpoint *in_ep; - struct usb_host_endpoint *out_ep; - struct usb_host_endpoint *status_ep; struct usb_interface *control; struct usb_interface *data; -- cgit v1.2.3 From bed6f762123fc53c63efef386531dd877cba2468 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:42 +0100 Subject: net: cdc_ncm: remove redundant netdev field MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Too many pointers back and forth are likely to confuse developers, creating subtle bugs whenever we forget to syncronize them all. As a usbnet driver, we should stick with the standard struct usbnet fields as much as possible. The netdevice is one such field. Cc: Greg Suarez Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 2 +- drivers/net/usb/cdc_ncm.c | 73 +++++++++++++++++++++++---------------------- include/linux/usb/cdc_ncm.h | 3 +- 3 files changed, 39 insertions(+), 39 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 253472a8a983..af76aaf08b6b 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -175,7 +175,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb } spin_lock_bh(&ctx->mtx); - skb_out = cdc_ncm_fill_tx_frame(ctx, skb, sign); + skb_out = cdc_ncm_fill_tx_frame(dev, skb, sign); spin_unlock_bh(&ctx->mtx); return skb_out; diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index a989bd5290a6..e39e7678a798 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -80,8 +80,9 @@ cdc_ncm_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info)); } -static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx) +static u8 cdc_ncm_setup(struct usbnet *dev) { + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; u32 val; u8 flags; u8 iface_no; @@ -90,7 +91,6 @@ static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx) u16 ntb_fmt_supported; u32 min_dgram_size; u32 min_hdr_size; - struct usbnet *dev = netdev_priv(ctx->netdev); iface_no = ctx->control->cur_altsetting->desc.bInterfaceNumber; @@ -285,8 +285,8 @@ static u8 cdc_ncm_setup(struct cdc_ncm_ctx *ctx) } max_dgram_err: - if (ctx->netdev->mtu != (ctx->max_datagram_size - eth_hlen)) - ctx->netdev->mtu = ctx->max_datagram_size - eth_hlen; + if (dev->net->mtu != (ctx->max_datagram_size - eth_hlen)) + dev->net->mtu = ctx->max_datagram_size - eth_hlen; return 0; } @@ -375,11 +375,10 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ hrtimer_init(&ctx->tx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); ctx->tx_timer.function = &cdc_ncm_tx_timer_cb; - ctx->bh.data = (unsigned long)ctx; + ctx->bh.data = (unsigned long)dev; ctx->bh.func = cdc_ncm_txpath_bh; atomic_set(&ctx->stop, 0); spin_lock_init(&ctx->mtx); - ctx->netdev = dev->net; /* store ctx pointer in device data field */ dev->data[0] = (unsigned long)ctx; @@ -477,7 +476,7 @@ advance: goto error2; /* initialize data interface */ - if (cdc_ncm_setup(ctx)) + if (cdc_ncm_setup(dev)) goto error2; /* configure data interface */ @@ -669,9 +668,9 @@ static struct usb_cdc_ncm_ndp16 *cdc_ncm_ndp(struct cdc_ncm_ctx *ctx, struct sk_ } struct sk_buff * -cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) +cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) { - struct usbnet *dev = netdev_priv(ctx->netdev); + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; struct usb_cdc_ncm_nth16 *nth16; struct usb_cdc_ncm_ndp16 *ndp16; struct sk_buff *skb_out; @@ -695,7 +694,7 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) if (skb_out == NULL) { if (skb != NULL) { dev_kfree_skb_any(skb); - ctx->netdev->stats.tx_dropped++; + dev->net->stats.tx_dropped++; } goto exit_no_skb; } @@ -733,12 +732,12 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) /* won't fit, MTU problem? */ dev_kfree_skb_any(skb); skb = NULL; - ctx->netdev->stats.tx_dropped++; + dev->net->stats.tx_dropped++; } else { /* no room for skb - store for later */ if (ctx->tx_rem_skb != NULL) { dev_kfree_skb_any(ctx->tx_rem_skb); - ctx->netdev->stats.tx_dropped++; + dev->net->stats.tx_dropped++; } ctx->tx_rem_skb = skb; ctx->tx_rem_sign = sign; @@ -771,7 +770,7 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) if (skb != NULL) { dev_kfree_skb_any(skb); skb = NULL; - ctx->netdev->stats.tx_dropped++; + dev->net->stats.tx_dropped++; } ctx->tx_curr_frame_num = n; @@ -814,7 +813,7 @@ cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign) /* return skb */ ctx->tx_curr_skb = NULL; - ctx->netdev->stats.tx_packets += ctx->tx_curr_frame_num; + dev->net->stats.tx_packets += ctx->tx_curr_frame_num; return skb_out; exit_no_skb: @@ -846,18 +845,19 @@ static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *timer) static void cdc_ncm_txpath_bh(unsigned long param) { - struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)param; + struct usbnet *dev = (struct usbnet *)param; + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; spin_lock_bh(&ctx->mtx); if (ctx->tx_timer_pending != 0) { ctx->tx_timer_pending--; cdc_ncm_tx_timeout_start(ctx); spin_unlock_bh(&ctx->mtx); - } else if (ctx->netdev != NULL) { + } else if (dev->net != NULL) { spin_unlock_bh(&ctx->mtx); - netif_tx_lock_bh(ctx->netdev); - usbnet_start_xmit(NULL, ctx->netdev); - netif_tx_unlock_bh(ctx->netdev); + netif_tx_lock_bh(dev->net); + usbnet_start_xmit(NULL, dev->net); + netif_tx_unlock_bh(dev->net); } else { spin_unlock_bh(&ctx->mtx); } @@ -880,7 +880,7 @@ cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) goto error; spin_lock_bh(&ctx->mtx); - skb_out = cdc_ncm_fill_tx_frame(ctx, skb, cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN)); + skb_out = cdc_ncm_fill_tx_frame(dev, skb, cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN)); spin_unlock_bh(&ctx->mtx); return skb_out; @@ -1047,9 +1047,10 @@ error: } static void -cdc_ncm_speed_change(struct cdc_ncm_ctx *ctx, +cdc_ncm_speed_change(struct usbnet *dev, struct usb_cdc_speed_change *data) { + struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; uint32_t rx_speed = le32_to_cpu(data->DLBitRRate); uint32_t tx_speed = le32_to_cpu(data->ULBitRate); @@ -1063,18 +1064,18 @@ cdc_ncm_speed_change(struct cdc_ncm_ctx *ctx, if ((tx_speed > 1000000) && (rx_speed > 1000000)) { printk(KERN_INFO KBUILD_MODNAME - ": %s: %u mbit/s downlink " - "%u mbit/s uplink\n", - ctx->netdev->name, - (unsigned int)(rx_speed / 1000000U), - (unsigned int)(tx_speed / 1000000U)); + ": %s: %u mbit/s downlink " + "%u mbit/s uplink\n", + dev->net->name, + (unsigned int)(rx_speed / 1000000U), + (unsigned int)(tx_speed / 1000000U)); } else { printk(KERN_INFO KBUILD_MODNAME - ": %s: %u kbit/s downlink " - "%u kbit/s uplink\n", - ctx->netdev->name, - (unsigned int)(rx_speed / 1000U), - (unsigned int)(tx_speed / 1000U)); + ": %s: %u kbit/s downlink " + "%u kbit/s uplink\n", + dev->net->name, + (unsigned int)(rx_speed / 1000U), + (unsigned int)(tx_speed / 1000U)); } } } @@ -1091,7 +1092,7 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) /* test for split data in 8-byte chunks */ if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { - cdc_ncm_speed_change(ctx, + cdc_ncm_speed_change(dev, (struct usb_cdc_speed_change *)urb->transfer_buffer); return; } @@ -1108,8 +1109,8 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) ctx->connected = le16_to_cpu(event->wValue); printk(KERN_INFO KBUILD_MODNAME ": %s: network connection:" - " %sconnected\n", - ctx->netdev->name, ctx->connected ? "" : "dis"); + " %sconnected\n", + dev->net->name, ctx->connected ? "" : "dis"); usbnet_link_change(dev, ctx->connected, 0); if (!ctx->connected) @@ -1121,8 +1122,8 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) sizeof(struct usb_cdc_speed_change))) set_bit(EVENT_STS_SPLIT, &dev->flags); else - cdc_ncm_speed_change(ctx, - (struct usb_cdc_speed_change *) &event[1]); + cdc_ncm_speed_change(dev, + (struct usb_cdc_speed_change *)&event[1]); break; default: diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 36e1e153ca2d..5c47bd9620d5 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -98,7 +98,6 @@ struct cdc_ncm_ctx { const struct usb_cdc_union_desc *union_desc; const struct usb_cdc_ether_desc *ether_desc; - struct net_device *netdev; struct usb_device *udev; struct usb_interface *control; struct usb_interface *data; @@ -129,7 +128,7 @@ struct cdc_ncm_ctx { extern u8 cdc_ncm_select_altsetting(struct usbnet *dev, struct usb_interface *intf); extern int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting); extern void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); -extern struct sk_buff *cdc_ncm_fill_tx_frame(struct cdc_ncm_ctx *ctx, struct sk_buff *skb, __le32 sign); +extern struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); extern int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); extern int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset); -- cgit v1.2.3 From de5bee2720776989060b9686e6a89e938a346345 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:43 +0100 Subject: net: cdc_ncm: remove unused udev field MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We already use the usbnet udev field everywhere this could have been used. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 2 -- include/linux/usb/cdc_ncm.h | 1 - 2 files changed, 3 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index e39e7678a798..9cdd762916dc 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -388,8 +388,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ buf = intf->cur_altsetting->extra; len = intf->cur_altsetting->extralen; - ctx->udev = dev->udev; - /* parse through descriptors associated with control interface */ while ((len > 0) && (buf[0] > 2) && (buf[0] <= len)) { diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 5c47bd9620d5..059dcc93c4d8 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -98,7 +98,6 @@ struct cdc_ncm_ctx { const struct usb_cdc_union_desc *union_desc; const struct usb_cdc_ether_desc *ether_desc; - struct usb_device *udev; struct usb_interface *control; struct usb_interface *data; -- cgit v1.2.3 From f3028c524a7cd4d97b034fc1f35dcaecb5d6f9d6 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:44 +0100 Subject: net: cdc_ncm: remove tx_speed and rx_speed fields MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These fields are only used to prevent printing the same speeds multiple times if we receive multiple identical speed notifications. The value of these printk's is questionable, and even more so when we filter out some of the notifications sent us by the firmware. If we are going to print any of these, then we should print them all. Removing little used fields is a bonus. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 37 ++++++++++++++----------------------- include/linux/usb/cdc_ncm.h | 2 -- 2 files changed, 14 insertions(+), 25 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 9cdd762916dc..fc36a99f8183 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -510,7 +510,6 @@ advance: ctx->tx_max % usb_maxpacket(dev->udev, dev->out, 1) == 0) ctx->tx_max++; - ctx->tx_speed = ctx->rx_speed = 0; return 0; error2: @@ -1048,7 +1047,6 @@ static void cdc_ncm_speed_change(struct usbnet *dev, struct usb_cdc_speed_change *data) { - struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; uint32_t rx_speed = le32_to_cpu(data->DLBitRRate); uint32_t tx_speed = le32_to_cpu(data->ULBitRate); @@ -1056,25 +1054,20 @@ cdc_ncm_speed_change(struct usbnet *dev, * Currently the USB-NET API does not support reporting the actual * device speed. Do print it instead. */ - if ((tx_speed != ctx->tx_speed) || (rx_speed != ctx->rx_speed)) { - ctx->tx_speed = tx_speed; - ctx->rx_speed = rx_speed; - - if ((tx_speed > 1000000) && (rx_speed > 1000000)) { - printk(KERN_INFO KBUILD_MODNAME - ": %s: %u mbit/s downlink " - "%u mbit/s uplink\n", - dev->net->name, - (unsigned int)(rx_speed / 1000000U), - (unsigned int)(tx_speed / 1000000U)); - } else { - printk(KERN_INFO KBUILD_MODNAME - ": %s: %u kbit/s downlink " - "%u kbit/s uplink\n", - dev->net->name, - (unsigned int)(rx_speed / 1000U), - (unsigned int)(tx_speed / 1000U)); - } + if ((tx_speed > 1000000) && (rx_speed > 1000000)) { + printk(KERN_INFO KBUILD_MODNAME + ": %s: %u mbit/s downlink " + "%u mbit/s uplink\n", + dev->net->name, + (unsigned int)(rx_speed / 1000000U), + (unsigned int)(tx_speed / 1000000U)); + } else { + printk(KERN_INFO KBUILD_MODNAME + ": %s: %u kbit/s downlink " + "%u kbit/s uplink\n", + dev->net->name, + (unsigned int)(rx_speed / 1000U), + (unsigned int)(tx_speed / 1000U)); } } @@ -1111,8 +1104,6 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) dev->net->name, ctx->connected ? "" : "dis"); usbnet_link_change(dev, ctx->connected, 0); - if (!ctx->connected) - ctx->tx_speed = ctx->rx_speed = 0; break; case USB_CDC_NOTIFY_SPEED_CHANGE: diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 059dcc93c4d8..f14af3dd0cce 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -110,8 +110,6 @@ struct cdc_ncm_ctx { u32 tx_timer_pending; u32 tx_curr_frame_num; - u32 rx_speed; - u32 tx_speed; u32 rx_max; u32 tx_max; u32 max_datagram_size; -- cgit v1.2.3 From 6a9612e2cb22b3fd6a7304dcbf2b4ee1cf2104b2 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:45 +0100 Subject: net: cdc_ncm: remove ncm_parm field MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Moving the call to cdc_ncm_setup() after the endpoint setup removes the last remaining reference to ncm_parm outside cdc_ncm_setup. Collecting all the ncm_parm based calculations in cdc_ncm_setup improves readability. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 46 ++++++++++++++++++++++----------------------- include/linux/usb/cdc_ncm.h | 1 - 2 files changed, 23 insertions(+), 24 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index fc36a99f8183..4de3a5423e87 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -83,6 +83,7 @@ cdc_ncm_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) static u8 cdc_ncm_setup(struct usbnet *dev) { struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; + struct usb_cdc_ncm_ntb_parameters ncm_parm; u32 val; u8 flags; u8 iface_no; @@ -97,22 +98,22 @@ static u8 cdc_ncm_setup(struct usbnet *dev) err = usbnet_read_cmd(dev, USB_CDC_GET_NTB_PARAMETERS, USB_TYPE_CLASS | USB_DIR_IN |USB_RECIP_INTERFACE, - 0, iface_no, &ctx->ncm_parm, - sizeof(ctx->ncm_parm)); + 0, iface_no, &ncm_parm, + sizeof(ncm_parm)); if (err < 0) { pr_debug("failed GET_NTB_PARAMETERS\n"); return 1; } /* read correct set of parameters according to device mode */ - ctx->rx_max = le32_to_cpu(ctx->ncm_parm.dwNtbInMaxSize); - ctx->tx_max = le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize); - ctx->tx_remainder = le16_to_cpu(ctx->ncm_parm.wNdpOutPayloadRemainder); - ctx->tx_modulus = le16_to_cpu(ctx->ncm_parm.wNdpOutDivisor); - ctx->tx_ndp_modulus = le16_to_cpu(ctx->ncm_parm.wNdpOutAlignment); + ctx->rx_max = le32_to_cpu(ncm_parm.dwNtbInMaxSize); + ctx->tx_max = le32_to_cpu(ncm_parm.dwNtbOutMaxSize); + ctx->tx_remainder = le16_to_cpu(ncm_parm.wNdpOutPayloadRemainder); + ctx->tx_modulus = le16_to_cpu(ncm_parm.wNdpOutDivisor); + ctx->tx_ndp_modulus = le16_to_cpu(ncm_parm.wNdpOutAlignment); /* devices prior to NCM Errata shall set this field to zero */ - ctx->tx_max_datagrams = le16_to_cpu(ctx->ncm_parm.wNtbOutMaxDatagrams); - ntb_fmt_supported = le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported); + ctx->tx_max_datagrams = le16_to_cpu(ncm_parm.wNtbOutMaxDatagrams); + ntb_fmt_supported = le16_to_cpu(ncm_parm.bmNtbFormatsSupported); eth_hlen = ETH_HLEN; min_dgram_size = CDC_NCM_MIN_DATAGRAM_SIZE; @@ -153,7 +154,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) } /* inform device about NTB input size changes */ - if (ctx->rx_max != le32_to_cpu(ctx->ncm_parm.dwNtbInMaxSize)) { + if (ctx->rx_max != le32_to_cpu(ncm_parm.dwNtbInMaxSize)) { __le32 dwNtbInMaxSize = cpu_to_le32(ctx->rx_max); err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_INPUT_SIZE, @@ -171,6 +172,14 @@ static u8 cdc_ncm_setup(struct usbnet *dev) pr_debug("Using default maximum transmit length=%d\n", CDC_NCM_NTB_MAX_SIZE_TX); ctx->tx_max = CDC_NCM_NTB_MAX_SIZE_TX; + + /* Adding a pad byte here simplifies the handling in + * cdc_ncm_fill_tx_frame, by making tx_max always + * represent the real skb max size. + */ + if (ctx->tx_max % usb_maxpacket(dev->udev, dev->out, 1) == 0) + ctx->tx_max++; + } /* @@ -473,10 +482,6 @@ advance: if (temp) goto error2; - /* initialize data interface */ - if (cdc_ncm_setup(dev)) - goto error2; - /* configure data interface */ temp = usb_set_interface(dev->udev, iface_no, data_altsetting); if (temp) @@ -487,6 +492,10 @@ advance: if (!dev->in || !dev->out || !dev->status) goto error2; + /* initialize data interface */ + if (cdc_ncm_setup(dev)) + goto error2; + dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; usb_set_intfdata(ctx->data, dev); @@ -501,15 +510,6 @@ advance: dev->rx_urb_size = ctx->rx_max; - /* cdc_ncm_setup will override dwNtbOutMaxSize if it is - * outside the sane range. Adding a pad byte here if necessary - * simplifies the handling in cdc_ncm_fill_tx_frame, making - * tx_max always represent the real skb max size. - */ - if (ctx->tx_max != le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize) && - ctx->tx_max % usb_maxpacket(dev->udev, dev->out, 1) == 0) - ctx->tx_max++; - return 0; error2: diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index f14af3dd0cce..89b52a0fe4b9 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -88,7 +88,6 @@ #define cdc_ncm_data_intf_is_mbim(x) ((x)->desc.bInterfaceProtocol == USB_CDC_MBIM_PROTO_NTB) struct cdc_ncm_ctx { - struct usb_cdc_ncm_ntb_parameters ncm_parm; struct hrtimer tx_timer; struct tasklet_struct bh; -- cgit v1.2.3 From 1b5287a7abec1177257a988b523c78dab7056b41 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:46 +0100 Subject: net: cdc_ncm: fix SET_MAX_DATAGRAM_SIZE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit We need to inform the device about the *new* value, not the old one. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4de3a5423e87..b8de8ddd6d98 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -280,6 +280,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) /* if value changed, update device */ if (ctx->max_datagram_size != le16_to_cpu(max_datagram_size)) { + max_datagram_size = cpu_to_le16(ctx->max_datagram_size); err = usbnet_write_cmd(dev, USB_CDC_SET_MAX_DATAGRAM_SIZE, USB_TYPE_CLASS | USB_DIR_OUT -- cgit v1.2.3 From 832922362e1308aaef95a43383577d56f51fbc3c Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:47 +0100 Subject: net: cdc_ncm: remove descriptor pointers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit header_desc was completely unused and union_desc was never used outside cdc_ncm_bind_common. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 12 ++++++------ include/linux/usb/cdc_ncm.h | 4 +--- 2 files changed, 7 insertions(+), 9 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index b8de8ddd6d98..435fcc75d706 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -372,6 +372,7 @@ static const struct ethtool_ops cdc_ncm_ethtool_ops = { int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) { + const struct usb_cdc_union_desc *union_desc = NULL; struct cdc_ncm_ctx *ctx; struct usb_driver *driver; u8 *buf; @@ -406,16 +407,15 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ switch (buf[2]) { case USB_CDC_UNION_TYPE: - if (buf[0] < sizeof(*(ctx->union_desc))) + if (buf[0] < sizeof(*union_desc)) break; - ctx->union_desc = - (const struct usb_cdc_union_desc *)buf; + union_desc = (const struct usb_cdc_union_desc *)buf; ctx->control = usb_ifnum_to_if(dev->udev, - ctx->union_desc->bMasterInterface0); + union_desc->bMasterInterface0); ctx->data = usb_ifnum_to_if(dev->udev, - ctx->union_desc->bSlaveInterface0); + union_desc->bSlaveInterface0); break; case USB_CDC_ETHERNET_TYPE: @@ -458,7 +458,7 @@ advance: } /* some buggy devices have an IAD but no CDC Union */ - if (!ctx->union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { + if (!union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { ctx->control = intf; ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1); dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n"); diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 89b52a0fe4b9..cad54ad4ad12 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -92,9 +92,7 @@ struct cdc_ncm_ctx { struct tasklet_struct bh; const struct usb_cdc_ncm_desc *func_desc; - const struct usb_cdc_mbim_desc *mbim_desc; - const struct usb_cdc_header_desc *header_desc; - const struct usb_cdc_union_desc *union_desc; + const struct usb_cdc_mbim_desc *mbim_desc; const struct usb_cdc_ether_desc *ether_desc; struct usb_interface *control; -- cgit v1.2.3 From 9fe0234c0bf8b3c412df0adc9ebbe6a1e95daf51 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:48 +0100 Subject: net: cdc_ncm: only the control intf can be probed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The probed interface must be the master/control interface of the function. Make this explicit and simplify redundant tests. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 435fcc75d706..5aa3e60851d0 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -394,6 +394,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ /* store ctx pointer in device data field */ dev->data[0] = (unsigned long)ctx; + /* only the control interface can be successfully probed */ + ctx->control = intf; + /* get some pointers */ driver = driver_of(intf); buf = intf->cur_altsetting->extra; @@ -411,9 +414,10 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ break; union_desc = (const struct usb_cdc_union_desc *)buf; - - ctx->control = usb_ifnum_to_if(dev->udev, - union_desc->bMasterInterface0); + /* the master must be the interface we are probing */ + if (intf->cur_altsetting->desc.bInterfaceNumber != + union_desc->bMasterInterface0) + goto error; ctx->data = usb_ifnum_to_if(dev->udev, union_desc->bSlaveInterface0); break; @@ -459,14 +463,12 @@ advance: /* some buggy devices have an IAD but no CDC Union */ if (!union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { - ctx->control = intf; ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1); dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n"); } /* check if we got everything */ - if ((ctx->control == NULL) || (ctx->data == NULL) || - ((!ctx->mbim_desc) && ((ctx->ether_desc == NULL) || (ctx->control != intf)))) + if (!ctx->data || (!ctx->mbim_desc && !ctx->ether_desc)) goto error; /* claim data interface, if different from control */ -- cgit v1.2.3 From 4d619f625a6011618de9fccc4b282d314d792897 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:49 +0100 Subject: net: cdc_ncm: no point in filling up the NTBs if we send ZLPs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Padding NTBs to max size is part of the support for devices optimizing their DMA transfers. This optimization depends on max sized NTBs not being ZLP terminated. So we are much better off dropping the padding if we are going to send a ZLP anyway. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 5aa3e60851d0..42c86200f076 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -800,8 +800,12 @@ cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign) * would be more efficient for USB HS mobile device with DMA * engine to receive a full size NTB, than canceling DMA * transfer and receiving a short packet. + * + * This optimization support is pointless if we end up sending + * a ZLP after full sized NTBs. */ - if (skb_out->len > CDC_NCM_MIN_TX_PKT) + if (!(dev->driver_info->flags & FLAG_SEND_ZLP) && + skb_out->len > CDC_NCM_MIN_TX_PKT) memset(skb_put(skb_out, ctx->tx_max - skb_out->len), 0, ctx->tx_max - skb_out->len); else if ((skb_out->len % dev->maxpacket) == 0) -- cgit v1.2.3 From 085e50e1fe1268e1bea2b1b5a3a2b1ce7f30c786 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:50 +0100 Subject: net: cdc_ncm: remove probe and disconnect wrappers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These functions were merely wrappers around the usbnet variants. Remove them. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 42c86200f076..c90d843ec528 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1141,22 +1141,6 @@ static int cdc_ncm_check_connect(struct usbnet *dev) return !ctx->connected; } -static int -cdc_ncm_probe(struct usb_interface *udev, const struct usb_device_id *prod) -{ - return usbnet_probe(udev, prod); -} - -static void cdc_ncm_disconnect(struct usb_interface *intf) -{ - struct usbnet *dev = usb_get_intfdata(intf); - - if (dev == NULL) - return; /* already disconnected */ - - usbnet_disconnect(intf); -} - static const struct driver_info cdc_ncm_info = { .description = "CDC NCM", .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET, @@ -1267,8 +1251,8 @@ MODULE_DEVICE_TABLE(usb, cdc_devs); static struct usb_driver cdc_ncm_driver = { .name = "cdc_ncm", .id_table = cdc_devs, - .probe = cdc_ncm_probe, - .disconnect = cdc_ncm_disconnect, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, .suspend = usbnet_suspend, .resume = usbnet_resume, .reset_resume = usbnet_resume, -- cgit v1.2.3 From 0e2c4a00547a406aeb3bb5a3007cc90a62104980 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:51 +0100 Subject: net: cdc_ncm: remove ethtool ops MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit No need to keep this code duplicated from usbnet. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index c90d843ec528..8fc1a06604aa 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -53,8 +53,6 @@ #include #include -#define DRIVER_VERSION "14-Mar-2012" - #if IS_ENABLED(CONFIG_USB_NET_CDC_MBIM) static bool prefer_mbim = true; #else @@ -68,18 +66,6 @@ static void cdc_ncm_tx_timeout_start(struct cdc_ncm_ctx *ctx); static enum hrtimer_restart cdc_ncm_tx_timer_cb(struct hrtimer *hr_timer); static struct usb_driver cdc_ncm_driver; -static void -cdc_ncm_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) -{ - struct usbnet *dev = netdev_priv(net); - - strlcpy(info->driver, dev->driver_name, sizeof(info->driver)); - strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); - strlcpy(info->fw_version, dev->driver_info->description, - sizeof(info->fw_version)); - usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info)); -} - static u8 cdc_ncm_setup(struct usbnet *dev) { struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; @@ -360,16 +346,6 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx) kfree(ctx); } -static const struct ethtool_ops cdc_ncm_ethtool_ops = { - .get_drvinfo = cdc_ncm_get_drvinfo, - .get_link = usbnet_get_link, - .get_msglevel = usbnet_get_msglevel, - .set_msglevel = usbnet_set_msglevel, - .get_settings = usbnet_get_settings, - .set_settings = usbnet_set_settings, - .nway_reset = usbnet_nway_reset, -}; - int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting) { const struct usb_cdc_union_desc *union_desc = NULL; @@ -499,8 +475,6 @@ advance: if (cdc_ncm_setup(dev)) goto error2; - dev->net->ethtool_ops = &cdc_ncm_ethtool_ops; - usb_set_intfdata(ctx->data, dev); usb_set_intfdata(ctx->control, dev); -- cgit v1.2.3 From 43c87f78388443e3bf6c73c05574bfa15b994f0a Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:52 +0100 Subject: net: cdc_ncm: set correct dev->hard_mtu MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit usbnet use the hard_mtu value for sizing the tx queue and nothing else. We will be transmitting buffers of up to tx_max size, so that's the proper value to give usbnet. The individual datagram size is completely irrelevant here. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 8fc1a06604aa..c40f742f6200 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -404,13 +404,6 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ ctx->ether_desc = (const struct usb_cdc_ether_desc *)buf; - dev->hard_mtu = - le16_to_cpu(ctx->ether_desc->wMaxSegmentSize); - - if (dev->hard_mtu < CDC_NCM_MIN_DATAGRAM_SIZE) - dev->hard_mtu = CDC_NCM_MIN_DATAGRAM_SIZE; - else if (dev->hard_mtu > CDC_NCM_MAX_DATAGRAM_SIZE) - dev->hard_mtu = CDC_NCM_MAX_DATAGRAM_SIZE; break; case USB_CDC_NCM_TYPE: @@ -485,6 +478,8 @@ advance: dev_info(&dev->udev->dev, "MAC-Address: %pM\n", dev->net->dev_addr); } + /* usbnet use these values for sizing tx/rx queues */ + dev->hard_mtu = ctx->tx_max; dev->rx_urb_size = ctx->rx_max; return 0; -- cgit v1.2.3 From a26fd05debd00b6f4e776d9dca4a39f0b76b01c7 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:53 +0100 Subject: net: cdc_ncm: log the length we warn about MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix cut'n'paste typo. Log the bogus length and not the irrelevant signature. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index c40f742f6200..b5fdf8f16f5d 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -923,7 +923,7 @@ int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset) if (le16_to_cpu(ndp16->wLength) < USB_CDC_NCM_NDP16_LENGTH_MIN) { pr_debug("invalid DPT16 length <%u>\n", - le32_to_cpu(ndp16->dwSignature)); + le16_to_cpu(ndp16->wLength)); goto error; } -- cgit v1.2.3 From ae223cd406dd63487ad96593248a669da8e551cd Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:54 +0100 Subject: net: cdc_ncm: use netif_* and dev_* instead of pr_* MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Take advantage of standard device name prefixing and netdevice msglvl control where possible. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 98 +++++++++++++++++++++++------------------------ 1 file changed, 48 insertions(+), 50 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index b5fdf8f16f5d..73faf05209b3 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -87,7 +87,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 0, iface_no, &ncm_parm, sizeof(ncm_parm)); if (err < 0) { - pr_debug("failed GET_NTB_PARAMETERS\n"); + dev_dbg(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n"); return 1; } @@ -115,11 +115,10 @@ static u8 cdc_ncm_setup(struct usbnet *dev) flags = 0; } - pr_debug("dwNtbInMaxSize=%u dwNtbOutMaxSize=%u " - "wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u " - "wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n", - ctx->rx_max, ctx->tx_max, ctx->tx_remainder, ctx->tx_modulus, - ctx->tx_ndp_modulus, ctx->tx_max_datagrams, flags); + dev_dbg(&dev->intf->dev, + "dwNtbInMaxSize=%u dwNtbOutMaxSize=%u wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n", + ctx->rx_max, ctx->tx_max, ctx->tx_remainder, ctx->tx_modulus, + ctx->tx_ndp_modulus, ctx->tx_max_datagrams, flags); /* max count of tx datagrams */ if ((ctx->tx_max_datagrams == 0) || @@ -128,14 +127,14 @@ static u8 cdc_ncm_setup(struct usbnet *dev) /* verify maximum size of received NTB in bytes */ if (ctx->rx_max < USB_CDC_NCM_NTB_MIN_IN_SIZE) { - pr_debug("Using min receive length=%d\n", - USB_CDC_NCM_NTB_MIN_IN_SIZE); + dev_dbg(&dev->intf->dev, "Using min receive length=%d\n", + USB_CDC_NCM_NTB_MIN_IN_SIZE); ctx->rx_max = USB_CDC_NCM_NTB_MIN_IN_SIZE; } if (ctx->rx_max > CDC_NCM_NTB_MAX_SIZE_RX) { - pr_debug("Using default maximum receive length=%d\n", - CDC_NCM_NTB_MAX_SIZE_RX); + dev_dbg(&dev->intf->dev, "Using default maximum receive length=%d\n", + CDC_NCM_NTB_MAX_SIZE_RX); ctx->rx_max = CDC_NCM_NTB_MAX_SIZE_RX; } @@ -148,15 +147,15 @@ static u8 cdc_ncm_setup(struct usbnet *dev) | USB_RECIP_INTERFACE, 0, iface_no, &dwNtbInMaxSize, 4); if (err < 0) - pr_debug("Setting NTB Input Size failed\n"); + dev_dbg(&dev->intf->dev, "Setting NTB Input Size failed\n"); } /* verify maximum size of transmitted NTB in bytes */ if ((ctx->tx_max < (min_hdr_size + min_dgram_size)) || (ctx->tx_max > CDC_NCM_NTB_MAX_SIZE_TX)) { - pr_debug("Using default maximum transmit length=%d\n", - CDC_NCM_NTB_MAX_SIZE_TX); + dev_dbg(&dev->intf->dev, "Using default maximum transmit length=%d\n", + CDC_NCM_NTB_MAX_SIZE_TX); ctx->tx_max = CDC_NCM_NTB_MAX_SIZE_TX; /* Adding a pad byte here simplifies the handling in @@ -178,7 +177,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) if ((val < USB_CDC_NCM_NDP_ALIGN_MIN_SIZE) || (val != ((-val) & val)) || (val >= ctx->tx_max)) { - pr_debug("Using default alignment: 4 bytes\n"); + dev_dbg(&dev->intf->dev, "Using default alignment: 4 bytes\n"); ctx->tx_ndp_modulus = USB_CDC_NCM_NDP_ALIGN_MIN_SIZE; } @@ -192,13 +191,13 @@ static u8 cdc_ncm_setup(struct usbnet *dev) if ((val < USB_CDC_NCM_NDP_ALIGN_MIN_SIZE) || (val != ((-val) & val)) || (val >= ctx->tx_max)) { - pr_debug("Using default transmit modulus: 4 bytes\n"); + dev_dbg(&dev->intf->dev, "Using default transmit modulus: 4 bytes\n"); ctx->tx_modulus = USB_CDC_NCM_NDP_ALIGN_MIN_SIZE; } /* verify the payload remainder */ if (ctx->tx_remainder >= ctx->tx_modulus) { - pr_debug("Using default transmit remainder: 0 bytes\n"); + dev_dbg(&dev->intf->dev, "Using default transmit remainder: 0 bytes\n"); ctx->tx_remainder = 0; } @@ -216,7 +215,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) USB_CDC_NCM_CRC_NOT_APPENDED, iface_no, NULL, 0); if (err < 0) - pr_debug("Setting CRC mode off failed\n"); + dev_dbg(&dev->intf->dev, "Setting CRC mode off failed\n"); } /* set NTB format, if both formats are supported */ @@ -227,7 +226,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) USB_CDC_NCM_NTB16_FORMAT, iface_no, NULL, 0); if (err < 0) - pr_debug("Setting NTB format to 16-bit failed\n"); + dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit failed\n"); } ctx->max_datagram_size = min_dgram_size; @@ -248,8 +247,8 @@ static u8 cdc_ncm_setup(struct usbnet *dev) | USB_RECIP_INTERFACE, 0, iface_no, &max_datagram_size, 2); if (err < 0) { - pr_debug("GET_MAX_DATAGRAM_SIZE failed, use size=%u\n", - min_dgram_size); + dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed, use size=%u\n", + min_dgram_size); } else { ctx->max_datagram_size = le16_to_cpu(max_datagram_size); @@ -275,7 +274,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) iface_no, &max_datagram_size, 2); if (err < 0) - pr_debug("SET_MAX_DGRAM_SIZE failed\n"); + dev_dbg(&dev->intf->dev, "SET_MAX_DGRAM_SIZE failed\n"); } } } @@ -867,6 +866,7 @@ error: /* verify NTB header and return offset of first NDP, or negative error */ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) { + struct usbnet *dev = netdev_priv(skb_in->dev); struct usb_cdc_ncm_nth16 *nth16; int len; int ret = -EINVAL; @@ -876,7 +876,7 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) if (skb_in->len < (sizeof(struct usb_cdc_ncm_nth16) + sizeof(struct usb_cdc_ncm_ndp16))) { - pr_debug("frame too short\n"); + netif_dbg(dev, rx_err, dev->net, "frame too short\n"); goto error; } @@ -890,16 +890,18 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) len = le16_to_cpu(nth16->wBlockLength); if (len > ctx->rx_max) { - pr_debug("unsupported NTB block length %u/%u\n", len, - ctx->rx_max); + netif_dbg(dev, rx_err, dev->net, + "unsupported NTB block length %u/%u\n", len, + ctx->rx_max); goto error; } if ((ctx->rx_seq + 1) != le16_to_cpu(nth16->wSequence) && - (ctx->rx_seq || le16_to_cpu(nth16->wSequence)) && - !((ctx->rx_seq == 0xffff) && !le16_to_cpu(nth16->wSequence))) { - pr_debug("sequence number glitch prev=%d curr=%d\n", - ctx->rx_seq, le16_to_cpu(nth16->wSequence)); + (ctx->rx_seq || le16_to_cpu(nth16->wSequence)) && + !((ctx->rx_seq == 0xffff) && !le16_to_cpu(nth16->wSequence))) { + netif_dbg(dev, rx_err, dev->net, + "sequence number glitch prev=%d curr=%d\n", + ctx->rx_seq, le16_to_cpu(nth16->wSequence)); } ctx->rx_seq = le16_to_cpu(nth16->wSequence); @@ -912,18 +914,20 @@ EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_nth16); /* verify NDP header and return number of datagrams, or negative error */ int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset) { + struct usbnet *dev = netdev_priv(skb_in->dev); struct usb_cdc_ncm_ndp16 *ndp16; int ret = -EINVAL; if ((ndpoffset + sizeof(struct usb_cdc_ncm_ndp16)) > skb_in->len) { - pr_debug("invalid NDP offset <%u>\n", ndpoffset); + netif_dbg(dev, rx_err, dev->net, "invalid NDP offset <%u>\n", + ndpoffset); goto error; } ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset); if (le16_to_cpu(ndp16->wLength) < USB_CDC_NCM_NDP16_LENGTH_MIN) { - pr_debug("invalid DPT16 length <%u>\n", - le16_to_cpu(ndp16->wLength)); + netif_dbg(dev, rx_err, dev->net, "invalid DPT16 length <%u>\n", + le16_to_cpu(ndp16->wLength)); goto error; } @@ -932,9 +936,9 @@ int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset) sizeof(struct usb_cdc_ncm_dpe16)); ret--; /* we process NDP entries except for the last one */ - if ((sizeof(struct usb_cdc_ncm_ndp16) + ret * (sizeof(struct usb_cdc_ncm_dpe16))) > - skb_in->len) { - pr_debug("Invalid nframes = %d\n", ret); + if ((sizeof(struct usb_cdc_ncm_ndp16) + + ret * (sizeof(struct usb_cdc_ncm_dpe16))) > skb_in->len) { + netif_dbg(dev, rx_err, dev->net, "Invalid nframes = %d\n", ret); ret = -EINVAL; } @@ -991,9 +995,9 @@ next_ndp: /* sanity checking */ if (((offset + len) > skb_in->len) || (len > ctx->rx_max) || (len < ETH_HLEN)) { - pr_debug("invalid frame detected (ignored)" - "offset[%u]=%u, length=%u, skb=%p\n", - x, offset, len, skb_in); + netif_dbg(dev, rx_err, dev->net, + "invalid frame detected (ignored) offset[%u]=%u, length=%u, skb=%p\n", + x, offset, len, skb_in); if (!x) goto err_ndp; break; @@ -1031,17 +1035,13 @@ cdc_ncm_speed_change(struct usbnet *dev, * device speed. Do print it instead. */ if ((tx_speed > 1000000) && (rx_speed > 1000000)) { - printk(KERN_INFO KBUILD_MODNAME - ": %s: %u mbit/s downlink " - "%u mbit/s uplink\n", - dev->net->name, + netif_info(dev, link, dev->net, + "%u mbit/s downlink %u mbit/s uplink\n", (unsigned int)(rx_speed / 1000000U), (unsigned int)(tx_speed / 1000000U)); } else { - printk(KERN_INFO KBUILD_MODNAME - ": %s: %u kbit/s downlink " - "%u kbit/s uplink\n", - dev->net->name, + netif_info(dev, link, dev->net, + "%u kbit/s downlink %u kbit/s uplink\n", (unsigned int)(rx_speed / 1000U), (unsigned int)(tx_speed / 1000U)); } @@ -1074,11 +1074,9 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE. */ ctx->connected = le16_to_cpu(event->wValue); - - printk(KERN_INFO KBUILD_MODNAME ": %s: network connection:" - " %sconnected\n", - dev->net->name, ctx->connected ? "" : "dis"); - + netif_info(dev, link, dev->net, + "network connection: %sconnected\n", + ctx->connected ? "" : "dis"); usbnet_link_change(dev, ctx->connected, 0); break; -- cgit v1.2.3 From 5448d75f71b2966df0f0da71b9d08eeb2811a80b Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:55 +0100 Subject: net: cdc_ncm: log signatures in hex MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These signatures are well known bit patterns, mostly made up of ascii characters. Mentally parsing works best if they are printed in hex. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 73faf05209b3..d49e4c5b292a 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -883,8 +883,9 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) nth16 = (struct usb_cdc_ncm_nth16 *)skb_in->data; if (le32_to_cpu(nth16->dwSignature) != USB_CDC_NCM_NTH16_SIGN) { - pr_debug("invalid NTH16 signature <%u>\n", - le32_to_cpu(nth16->dwSignature)); + netif_dbg(dev, rx_err, dev->net, + "invalid NTH16 signature <%#010x>\n", + le32_to_cpu(nth16->dwSignature)); goto error; } @@ -972,8 +973,9 @@ next_ndp: ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset); if (le32_to_cpu(ndp16->dwSignature) != USB_CDC_NCM_NDP16_NOCRC_SIGN) { - pr_debug("invalid DPT16 signature <%u>\n", - le32_to_cpu(ndp16->dwSignature)); + netif_dbg(dev, rx_err, dev->net, + "invalid DPT16 signature <%#010x>\n", + le32_to_cpu(ndp16->dwSignature)); goto err_ndp; } dpe16 = ndp16->dpe16; -- cgit v1.2.3 From 986e10d6718704fa96c8e59921727358917161ec Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:56 +0100 Subject: net: cdc_ncm: endian convert constants instead of variables MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Converting the constants used in these comparisons at build time instead of converting the variables for every received frame at run time. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index d49e4c5b292a..83e6d5ba962a 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -882,7 +882,7 @@ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) nth16 = (struct usb_cdc_ncm_nth16 *)skb_in->data; - if (le32_to_cpu(nth16->dwSignature) != USB_CDC_NCM_NTH16_SIGN) { + if (nth16->dwSignature != cpu_to_le32(USB_CDC_NCM_NTH16_SIGN)) { netif_dbg(dev, rx_err, dev->net, "invalid NTH16 signature <%#010x>\n", le32_to_cpu(nth16->dwSignature)); @@ -972,7 +972,7 @@ next_ndp: ndp16 = (struct usb_cdc_ncm_ndp16 *)(skb_in->data + ndpoffset); - if (le32_to_cpu(ndp16->dwSignature) != USB_CDC_NCM_NDP16_NOCRC_SIGN) { + if (ndp16->dwSignature != cpu_to_le32(USB_CDC_NCM_NDP16_NOCRC_SIGN)) { netif_dbg(dev, rx_err, dev->net, "invalid DPT16 signature <%#010x>\n", le32_to_cpu(ndp16->dwSignature)); -- cgit v1.2.3 From 47175e5f283f8c78ff325edde0aec2018ce607e5 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:58 +0100 Subject: net: cdc_ncm: refactoring cdc_ncm_setup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Rewriting the "set max datagram" part of dc_ncm_setup to separate the selection and validatation of the size from the code which optionally informs the device of this value. This ensures that we use the correct value regardless of device support for the get and set commands. Removing some of the many indent levels while doing this to make the code more readable. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 108 +++++++++++++++++++--------------------------- 1 file changed, 44 insertions(+), 64 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 83e6d5ba962a..62dcb2e11e0b 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -76,8 +76,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) int err; int eth_hlen; u16 ntb_fmt_supported; - u32 min_dgram_size; - u32 min_hdr_size; + __le16 max_datagram_size; iface_no = ctx->control->cur_altsetting->desc.bInterfaceNumber; @@ -101,20 +100,29 @@ static u8 cdc_ncm_setup(struct usbnet *dev) ctx->tx_max_datagrams = le16_to_cpu(ncm_parm.wNtbOutMaxDatagrams); ntb_fmt_supported = le16_to_cpu(ncm_parm.bmNtbFormatsSupported); - eth_hlen = ETH_HLEN; - min_dgram_size = CDC_NCM_MIN_DATAGRAM_SIZE; - min_hdr_size = CDC_NCM_MIN_HDR_SIZE; - if (ctx->mbim_desc != NULL) { - flags = ctx->mbim_desc->bmNetworkCapabilities; + /* there are some minor differences in NCM and MBIM defaults */ + if (cdc_ncm_comm_intf_is_mbim(ctx->control->cur_altsetting)) { + if (!ctx->mbim_desc) + return -EINVAL; eth_hlen = 0; - min_dgram_size = CDC_MBIM_MIN_DATAGRAM_SIZE; - min_hdr_size = 0; - } else if (ctx->func_desc != NULL) { - flags = ctx->func_desc->bmNetworkCapabilities; + flags = ctx->mbim_desc->bmNetworkCapabilities; + ctx->max_datagram_size = le16_to_cpu(ctx->mbim_desc->wMaxSegmentSize); + if (ctx->max_datagram_size < CDC_MBIM_MIN_DATAGRAM_SIZE) + ctx->max_datagram_size = CDC_MBIM_MIN_DATAGRAM_SIZE; } else { - flags = 0; + if (!ctx->func_desc) + return -EINVAL; + eth_hlen = ETH_HLEN; + flags = ctx->func_desc->bmNetworkCapabilities; + ctx->max_datagram_size = le16_to_cpu(ctx->ether_desc->wMaxSegmentSize); + if (ctx->max_datagram_size < CDC_NCM_MIN_DATAGRAM_SIZE) + ctx->max_datagram_size = CDC_NCM_MIN_DATAGRAM_SIZE; } + /* common absolute max for NCM and MBIM */ + if (ctx->max_datagram_size > CDC_NCM_MAX_DATAGRAM_SIZE) + ctx->max_datagram_size = CDC_NCM_MAX_DATAGRAM_SIZE; + dev_dbg(&dev->intf->dev, "dwNtbInMaxSize=%u dwNtbOutMaxSize=%u wNdpOutPayloadRemainder=%u wNdpOutDivisor=%u wNdpOutAlignment=%u wNtbOutMaxDatagrams=%u flags=0x%x\n", ctx->rx_max, ctx->tx_max, ctx->tx_remainder, ctx->tx_modulus, @@ -151,8 +159,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) } /* verify maximum size of transmitted NTB in bytes */ - if ((ctx->tx_max < - (min_hdr_size + min_dgram_size)) || + if ((ctx->tx_max < (CDC_NCM_MIN_HDR_SIZE + ctx->max_datagram_size)) || (ctx->tx_max > CDC_NCM_NTB_MAX_SIZE_TX)) { dev_dbg(&dev->intf->dev, "Using default maximum transmit length=%d\n", CDC_NCM_NTB_MAX_SIZE_TX); @@ -229,60 +236,33 @@ static u8 cdc_ncm_setup(struct usbnet *dev) dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit failed\n"); } - ctx->max_datagram_size = min_dgram_size; + /* inform the device about the selected Max Datagram Size */ + if (!(flags & USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE)) + goto out; - /* set Max Datagram Size (MTU) */ - if (flags & USB_CDC_NCM_NCAP_MAX_DATAGRAM_SIZE) { - __le16 max_datagram_size; - u16 eth_max_sz; - if (ctx->ether_desc != NULL) - eth_max_sz = le16_to_cpu(ctx->ether_desc->wMaxSegmentSize); - else if (ctx->mbim_desc != NULL) - eth_max_sz = le16_to_cpu(ctx->mbim_desc->wMaxSegmentSize); - else - goto max_dgram_err; - - err = usbnet_read_cmd(dev, USB_CDC_GET_MAX_DATAGRAM_SIZE, - USB_TYPE_CLASS | USB_DIR_IN - | USB_RECIP_INTERFACE, - 0, iface_no, &max_datagram_size, 2); - if (err < 0) { - dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed, use size=%u\n", - min_dgram_size); - } else { - ctx->max_datagram_size = - le16_to_cpu(max_datagram_size); - /* Check Eth descriptor value */ - if (ctx->max_datagram_size > eth_max_sz) - ctx->max_datagram_size = eth_max_sz; - - if (ctx->max_datagram_size > CDC_NCM_MAX_DATAGRAM_SIZE) - ctx->max_datagram_size = CDC_NCM_MAX_DATAGRAM_SIZE; - - if (ctx->max_datagram_size < min_dgram_size) - ctx->max_datagram_size = min_dgram_size; - - /* if value changed, update device */ - if (ctx->max_datagram_size != - le16_to_cpu(max_datagram_size)) { - max_datagram_size = cpu_to_le16(ctx->max_datagram_size); - err = usbnet_write_cmd(dev, - USB_CDC_SET_MAX_DATAGRAM_SIZE, - USB_TYPE_CLASS | USB_DIR_OUT - | USB_RECIP_INTERFACE, - 0, - iface_no, &max_datagram_size, - 2); - if (err < 0) - dev_dbg(&dev->intf->dev, "SET_MAX_DGRAM_SIZE failed\n"); - } - } + /* read current mtu value from device */ + err = usbnet_read_cmd(dev, USB_CDC_GET_MAX_DATAGRAM_SIZE, + USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE, + 0, iface_no, &max_datagram_size, 2); + if (err < 0) { + dev_dbg(&dev->intf->dev, "GET_MAX_DATAGRAM_SIZE failed\n"); + goto out; } -max_dgram_err: - if (dev->net->mtu != (ctx->max_datagram_size - eth_hlen)) - dev->net->mtu = ctx->max_datagram_size - eth_hlen; + if (le16_to_cpu(max_datagram_size) == ctx->max_datagram_size) + goto out; + + max_datagram_size = cpu_to_le16(ctx->max_datagram_size); + err = usbnet_write_cmd(dev, USB_CDC_SET_MAX_DATAGRAM_SIZE, + USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE, + 0, iface_no, &max_datagram_size, 2); + if (err < 0) + dev_dbg(&dev->intf->dev, "SET_MAX_DATAGRAM_SIZE failed\n"); +out: + /* set MTU to max supported by the device if necessary */ + if (dev->net->mtu > ctx->max_datagram_size - eth_hlen) + dev->net->mtu = ctx->max_datagram_size - eth_hlen; return 0; } -- cgit v1.2.3 From 59ede3168a0b3fe02f82a7bed52432f18dbb1070 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:16:59 +0100 Subject: net: cdc_ncm: return proper error if setup fails MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Most setup errors are ignored to ensure maximum firmware compatibilty. But GET_NTB_PARAMETERS and the functional descriptors are required. Use proper error codes and log level if these fail. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 62dcb2e11e0b..f168bc8c1d38 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -86,8 +86,8 @@ static u8 cdc_ncm_setup(struct usbnet *dev) 0, iface_no, &ncm_parm, sizeof(ncm_parm)); if (err < 0) { - dev_dbg(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n"); - return 1; + dev_err(&dev->intf->dev, "failed GET_NTB_PARAMETERS\n"); + return err; /* GET_NTB_PARAMETERS is required */ } /* read correct set of parameters according to device mode */ -- cgit v1.2.3 From 296e81f84c7ef7272cca1636386d55acc1af3238 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:17:00 +0100 Subject: net: cdc_ncm: improve bind error debug messages MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Make it a bit easier for users to figure out what goes wrong when bind fails. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 36 ++++++++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 10 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index f168bc8c1d38..4531f38fc0e5 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -371,8 +371,10 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_ union_desc = (const struct usb_cdc_union_desc *)buf; /* the master must be the interface we are probing */ if (intf->cur_altsetting->desc.bInterfaceNumber != - union_desc->bMasterInterface0) + union_desc->bMasterInterface0) { + dev_dbg(&intf->dev, "bogus CDC Union\n"); goto error; + } ctx->data = usb_ifnum_to_if(dev->udev, union_desc->bSlaveInterface0); break; @@ -416,45 +418,59 @@ advance: } /* check if we got everything */ - if (!ctx->data || (!ctx->mbim_desc && !ctx->ether_desc)) + if (!ctx->data || (!ctx->mbim_desc && !ctx->ether_desc)) { + dev_dbg(&intf->dev, "CDC descriptors missing\n"); goto error; + } /* claim data interface, if different from control */ if (ctx->data != ctx->control) { temp = usb_driver_claim_interface(driver, ctx->data, dev); - if (temp) + if (temp) { + dev_dbg(&intf->dev, "failed to claim data intf\n"); goto error; + } } iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber; /* reset data interface */ temp = usb_set_interface(dev->udev, iface_no, 0); - if (temp) + if (temp) { + dev_dbg(&intf->dev, "set interface failed\n"); goto error2; + } /* configure data interface */ temp = usb_set_interface(dev->udev, iface_no, data_altsetting); - if (temp) + if (temp) { + dev_dbg(&intf->dev, "set interface failed\n"); goto error2; + } cdc_ncm_find_endpoints(dev, ctx->data); cdc_ncm_find_endpoints(dev, ctx->control); - if (!dev->in || !dev->out || !dev->status) + if (!dev->in || !dev->out || !dev->status) { + dev_dbg(&intf->dev, "failed to collect endpoints\n"); goto error2; + } /* initialize data interface */ - if (cdc_ncm_setup(dev)) + if (cdc_ncm_setup(dev)) { + dev_dbg(&intf->dev, "cdc_ncm_setup() failed\n"); goto error2; + } usb_set_intfdata(ctx->data, dev); usb_set_intfdata(ctx->control, dev); if (ctx->ether_desc) { temp = usbnet_get_ethernet_addr(dev, ctx->ether_desc->iMACAddress); - if (temp) + if (temp) { + dev_dbg(&intf->dev, "failed to get mac address\n"); goto error2; - dev_info(&dev->udev->dev, "MAC-Address: %pM\n", dev->net->dev_addr); + } + dev_info(&intf->dev, "MAC-Address: %pM\n", dev->net->dev_addr); } /* usbnet use these values for sizing tx/rx queues */ @@ -471,7 +487,7 @@ error2: error: cdc_ncm_free((struct cdc_ncm_ctx *)dev->data[0]); dev->data[0] = 0; - dev_info(&dev->udev->dev, "bind() failure\n"); + dev_info(&intf->dev, "bind() failure\n"); return -ENODEV; } EXPORT_SYMBOL_GPL(cdc_ncm_bind_common); -- cgit v1.2.3 From a6fe67087d7cb916e41b4ad1b3a57c91150edb88 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 11:17:01 +0100 Subject: net: cdc_ncm: no not set tx_max higher than the device supports MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There are MBIM devices out there reporting dwNtbInMaxSize=2048 dwNtbOutMaxSize=2048 and since the spec require a datagram max size of at least 2048, this means that a full sized datagram will never fit. Still, sending larger NTBs than the device supports is not going to help. We do not have any other options than either a) refusing to bindi, or b) respect the insanely low value. Alternative b will at least make these devices work, so go for it. Cc: Alexey Orishko Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4531f38fc0e5..11c703337577 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -159,8 +159,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev) } /* verify maximum size of transmitted NTB in bytes */ - if ((ctx->tx_max < (CDC_NCM_MIN_HDR_SIZE + ctx->max_datagram_size)) || - (ctx->tx_max > CDC_NCM_NTB_MAX_SIZE_TX)) { + if (ctx->tx_max > CDC_NCM_NTB_MAX_SIZE_TX) { dev_dbg(&dev->intf->dev, "Using default maximum transmit length=%d\n", CDC_NCM_NTB_MAX_SIZE_TX); ctx->tx_max = CDC_NCM_NTB_MAX_SIZE_TX; -- cgit v1.2.3 From 04d948a9fc7b352b05125bd3d81c565fb8840c56 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 14:18:52 +0100 Subject: net: cdc_mbim: manage_power should always set needs_remote_wakeup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Oliver Neukum Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index af76aaf08b6b..fbfd67fe6a9a 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -44,13 +44,11 @@ static int cdc_mbim_manage_power(struct usbnet *dev, int on) if ((on && atomic_add_return(1, &info->pmcount) == 1) || (!on && atomic_dec_and_test(&info->pmcount))) { /* need autopm_get/put here to ensure the usbcore sees the new value */ rv = usb_autopm_get_interface(dev->intf); - if (rv < 0) - goto err; dev->intf->needs_remote_wakeup = on; - usb_autopm_put_interface(dev->intf); + if (!rv) + usb_autopm_put_interface(dev->intf); } -err: - return rv; + return 0; } static int cdc_mbim_wdm_manage_power(struct usb_interface *intf, int status) -- cgit v1.2.3 From 79d9b62ad839f69593e7aa06790a2f1425c02462 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 14:18:53 +0100 Subject: net: qmi_wwan: manage_power should always set needs_remote_wakeup MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Oliver Neukum Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index e0a4a2b08e45..5dd0d85e6335 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -149,7 +149,7 @@ static const struct net_device_ops qmi_wwan_netdev_ops = { static int qmi_wwan_manage_power(struct usbnet *dev, int on) { struct qmi_wwan_state *info = (void *)&dev->data; - int rv = 0; + int rv; dev_dbg(&dev->intf->dev, "%s() pmcount=%d, on=%d\n", __func__, atomic_read(&info->pmcount), on); @@ -160,13 +160,11 @@ static int qmi_wwan_manage_power(struct usbnet *dev, int on) * the new value */ rv = usb_autopm_get_interface(dev->intf); - if (rv < 0) - goto err; dev->intf->needs_remote_wakeup = on; - usb_autopm_put_interface(dev->intf); + if (!rv) + usb_autopm_put_interface(dev->intf); } -err: - return rv; + return 0; } static int qmi_wwan_cdc_wdm_manage_power(struct usb_interface *intf, int on) -- cgit v1.2.3 From a298807b8dbf8b369932f396a6b9984283e25f75 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 14:18:54 +0100 Subject: net: qmi_wwan: no need to check for resume if suspend exists MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Oliver Neukum Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/qmi_wwan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 5dd0d85e6335..23bdd5b9274d 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -416,7 +416,7 @@ static int qmi_wwan_resume(struct usb_interface *intf) if (ret < 0) goto err; ret = usbnet_resume(intf); - if (ret < 0 && callsub && info->subdriver->suspend) + if (ret < 0 && callsub) info->subdriver->suspend(intf, PMSG_SUSPEND); err: return ret; -- cgit v1.2.3 From c37ac9b22b6732c0c9dc17076ebe84e841d4eb16 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 14:18:55 +0100 Subject: net: cdc_mbim: no need to check for resume if suspend exists MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Oliver Neukum Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index fbfd67fe6a9a..347e6b926735 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -410,7 +410,7 @@ static int cdc_mbim_resume(struct usb_interface *intf) if (ret < 0) goto err; ret = usbnet_resume(intf); - if (ret < 0 && callsub && info->subdriver->suspend) + if (ret < 0 && callsub) info->subdriver->suspend(intf, PMSG_SUSPEND); err: return ret; -- cgit v1.2.3 From e62416e8e4e086652cfc88b88921708964aac3b5 Mon Sep 17 00:00:00 2001 From: Bjørn Mork Date: Fri, 1 Nov 2013 14:18:56 +0100 Subject: net: cdc_mbim: fixup error return value MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reported-by: Oliver Neukum Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_mbim.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 347e6b926735..c9f3281506af 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -369,15 +369,13 @@ error: static int cdc_mbim_suspend(struct usb_interface *intf, pm_message_t message) { - int ret = 0; + int ret = -ENODEV; struct usbnet *dev = usb_get_intfdata(intf); struct cdc_mbim_state *info = (void *)&dev->data; struct cdc_ncm_ctx *ctx = info->ctx; - if (ctx == NULL) { - ret = -1; + if (!ctx) goto error; - } /* * Both usbnet_suspend() and subdriver->suspend() MUST return 0 -- cgit v1.2.3 From 2f69702c4db5f1c3149fd17fe30bdeb87cba9698 Mon Sep 17 00:00:00 2001 From: Enrico Mioso Date: Mon, 4 Nov 2013 09:50:47 +0100 Subject: net: cdc_ncm: Export cdc_ncm_{tx, rx}_fixup functions for re-use MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Some drivers implementing NCM-like protocols, may re-use those functions, as is the case in the huawei_cdc_ncm driver. Export them via EXPORT_SYMBOL_GPL, in accordance with how other functions have been exported. Signed-off-by: Enrico Mioso Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 6 ++++-- include/linux/usb/cdc_ncm.h | 3 +++ 2 files changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 11c703337577..1763195bd599 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -830,7 +830,7 @@ static void cdc_ncm_txpath_bh(unsigned long param) } } -static struct sk_buff * +struct sk_buff * cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) { struct sk_buff *skb_out; @@ -857,6 +857,7 @@ error: return NULL; } +EXPORT_SYMBOL_GPL(cdc_ncm_tx_fixup); /* verify NTB header and return offset of first NDP, or negative error */ int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in) @@ -943,7 +944,7 @@ error: } EXPORT_SYMBOL_GPL(cdc_ncm_rx_verify_ndp16); -static int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in) +int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in) { struct sk_buff *skb; struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; @@ -1019,6 +1020,7 @@ err_ndp: error: return 0; } +EXPORT_SYMBOL_GPL(cdc_ncm_rx_fixup); static void cdc_ncm_speed_change(struct usbnet *dev, diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h index 2300f7492927..c3fa80745996 100644 --- a/include/linux/usb/cdc_ncm.h +++ b/include/linux/usb/cdc_ncm.h @@ -125,5 +125,8 @@ void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf); struct sk_buff *cdc_ncm_fill_tx_frame(struct usbnet *dev, struct sk_buff *skb, __le32 sign); int cdc_ncm_rx_verify_nth16(struct cdc_ncm_ctx *ctx, struct sk_buff *skb_in); int cdc_ncm_rx_verify_ndp16(struct sk_buff *skb_in, int ndpoffset); +struct sk_buff * +cdc_ncm_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags); +int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in); #endif /* __LINUX_USB_CDC_NCM_H */ -- cgit v1.2.3 From 41c47d8cfd685cae6b08f9300fef12e602609b26 Mon Sep 17 00:00:00 2001 From: Enrico Mioso Date: Mon, 4 Nov 2013 09:50:48 +0100 Subject: net: huawei_cdc_ncm: Introduce the huawei_cdc_ncm driver MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This driver supports devices using the NCM protocol as an encapsulation layer for other protocols, like the E3131 Huawei 3G modem. This drivers approach was heavily inspired by the qmi_wwan/cdc_mbim approach & code model. Signed-off-by: Enrico Mioso Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/Kconfig | 15 +++ drivers/net/usb/Makefile | 1 + drivers/net/usb/huawei_cdc_ncm.c | 230 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 246 insertions(+) create mode 100644 drivers/net/usb/huawei_cdc_ncm.c (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 40db31233313..85e4a01670f0 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -242,6 +242,21 @@ config USB_NET_CDC_NCM * ST-Ericsson M343 HSPA Mobile Broadband Modem (reference design) * Ericsson F5521gw Mobile Broadband Module +config USB_NET_HUAWEI_CDC_NCM + tristate "Huawei NCM embedded AT channel support" + depends on USB_USBNET + select USB_WDM + select USB_NET_CDC_NCM + help + This driver supports huawei-style NCM devices, that use NCM as a + transport for other protocols, usually an embedded AT channel. + Good examples are: + * Huawei E3131 + * Huawei E3251 + + To compile this driver as a module, choose M here: the module will be + called huawei_cdc_ncm.ko. + config USB_NET_CDC_MBIM tristate "CDC MBIM support" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 8b342cf992fd..b17b5e88bbaf 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_USB_IPHETH) += ipheth.o obj-$(CONFIG_USB_SIERRA_NET) += sierra_net.o obj-$(CONFIG_USB_NET_CX82310_ETH) += cx82310_eth.o obj-$(CONFIG_USB_NET_CDC_NCM) += cdc_ncm.o +obj-$(CONFIG_USB_NET_HUAWEI_CDC_NCM) += huawei_cdc_ncm.o obj-$(CONFIG_USB_VL600) += lg-vl600.o obj-$(CONFIG_USB_NET_QMI_WWAN) += qmi_wwan.o obj-$(CONFIG_USB_NET_CDC_MBIM) += cdc_mbim.o diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c new file mode 100644 index 000000000000..312178d7b698 --- /dev/null +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -0,0 +1,230 @@ +/* huawei_cdc_ncm.c - handles Huawei devices using the CDC NCM protocol as + * transport layer. + * Copyright (C) 2013 Enrico Mioso + * + * + * ABSTRACT: + * This driver handles devices resembling the CDC NCM standard, but + * encapsulating another protocol inside it. An example are some Huawei 3G + * devices, exposing an embedded AT channel where you can set up the NCM + * connection. + * This code has been heavily inspired by the cdc_mbim.c driver, which is + * Copyright (c) 2012 Smith Micro Software, Inc. + * Copyright (c) 2012 Bjørn Mork + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Driver data */ +struct huawei_cdc_ncm_state { + struct cdc_ncm_ctx *ctx; + atomic_t pmcount; + struct usb_driver *subdriver; + struct usb_interface *control; + struct usb_interface *data; +}; + +static int huawei_cdc_ncm_manage_power(struct usbnet *usbnet_dev, int on) +{ + struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + int rv; + + if ((on && atomic_add_return(1, &drvstate->pmcount) == 1) || + (!on && atomic_dec_and_test(&drvstate->pmcount))) { + rv = usb_autopm_get_interface(usbnet_dev->intf); + usbnet_dev->intf->needs_remote_wakeup = on; + if (!rv) + usb_autopm_put_interface(usbnet_dev->intf); + } + return 0; +} + +static int huawei_cdc_ncm_wdm_manage_power(struct usb_interface *intf, + int status) +{ + struct usbnet *usbnet_dev = usb_get_intfdata(intf); + + /* can be called while disconnecting */ + if (!usbnet_dev) + return 0; + + return huawei_cdc_ncm_manage_power(usbnet_dev, status); +} + + +static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, + struct usb_interface *intf) +{ + struct cdc_ncm_ctx *ctx; + struct usb_driver *subdriver = ERR_PTR(-ENODEV); + int ret = -ENODEV; + struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + + /* altsetting should always be 1 for NCM devices - so we hard-coded + * it here + */ + ret = cdc_ncm_bind_common(usbnet_dev, intf, 1); + if (ret) + goto err; + + ctx = drvstate->ctx; + + if (usbnet_dev->status) + /* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 + * decimal (0x100)" + */ + subdriver = usb_cdc_wdm_register(ctx->control, + &usbnet_dev->status->desc, + 256, /* wMaxCommand */ + huawei_cdc_ncm_wdm_manage_power); + if (IS_ERR(subdriver)) { + ret = PTR_ERR(subdriver); + cdc_ncm_unbind(usbnet_dev, intf); + goto err; + } + + /* Prevent usbnet from using the status descriptor */ + usbnet_dev->status = NULL; + + drvstate->subdriver = subdriver; + +err: + return ret; +} + +static void huawei_cdc_ncm_unbind(struct usbnet *usbnet_dev, + struct usb_interface *intf) +{ + struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + struct cdc_ncm_ctx *ctx = drvstate->ctx; + + if (drvstate->subdriver && drvstate->subdriver->disconnect) + drvstate->subdriver->disconnect(ctx->control); + drvstate->subdriver = NULL; + + cdc_ncm_unbind(usbnet_dev, intf); +} + +static int huawei_cdc_ncm_suspend(struct usb_interface *intf, + pm_message_t message) +{ + int ret = 0; + struct usbnet *usbnet_dev = usb_get_intfdata(intf); + struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + struct cdc_ncm_ctx *ctx = drvstate->ctx; + + if (ctx == NULL) { + ret = -ENODEV; + goto error; + } + + ret = usbnet_suspend(intf, message); + if (ret < 0) + goto error; + + if (intf == ctx->control && + drvstate->subdriver && + drvstate->subdriver->suspend) + ret = drvstate->subdriver->suspend(intf, message); + if (ret < 0) + usbnet_resume(intf); + +error: + return ret; +} + +static int huawei_cdc_ncm_resume(struct usb_interface *intf) +{ + int ret = 0; + struct usbnet *usbnet_dev = usb_get_intfdata(intf); + struct huawei_cdc_ncm_state *drvstate = (void *)&usbnet_dev->data; + bool callsub; + struct cdc_ncm_ctx *ctx = drvstate->ctx; + + /* should we call subdriver's resume function? */ + callsub = + (intf == ctx->control && + drvstate->subdriver && + drvstate->subdriver->resume); + + if (callsub) + ret = drvstate->subdriver->resume(intf); + if (ret < 0) + goto err; + ret = usbnet_resume(intf); + if (ret < 0 && callsub) + drvstate->subdriver->suspend(intf, PMSG_SUSPEND); +err: + return ret; +} + +static int huawei_cdc_ncm_check_connect(struct usbnet *usbnet_dev) +{ + struct cdc_ncm_ctx *ctx; + + ctx = (struct cdc_ncm_ctx *)usbnet_dev->data[0]; + + if (ctx == NULL) + return 1; /* disconnected */ + + return !ctx->connected; +} + +static const struct driver_info huawei_cdc_ncm_info = { + .description = "Huawei CDC NCM device", + .flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN, + .bind = huawei_cdc_ncm_bind, + .unbind = huawei_cdc_ncm_unbind, + .check_connect = huawei_cdc_ncm_check_connect, + .manage_power = huawei_cdc_ncm_manage_power, + .rx_fixup = cdc_ncm_rx_fixup, + .tx_fixup = cdc_ncm_tx_fixup, +}; + +static const struct usb_device_id huawei_cdc_ncm_devs[] = { + /* Huawei NCM devices disguised as vendor specific */ + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16), + .driver_info = (unsigned long)&huawei_cdc_ncm_info, + }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), + .driver_info = (unsigned long)&huawei_cdc_ncm_info, + }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x76), + .driver_info = (unsigned long)&huawei_cdc_ncm_info, + }, + + /* Terminating entry */ + { + }, +}; +MODULE_DEVICE_TABLE(usb, huawei_cdc_ncm_devs); + +static struct usb_driver huawei_cdc_ncm_driver = { + .name = "huawei_cdc_ncm", + .id_table = huawei_cdc_ncm_devs, + .probe = usbnet_probe, + .disconnect = usbnet_disconnect, + .suspend = huawei_cdc_ncm_suspend, + .resume = huawei_cdc_ncm_resume, + .reset_resume = huawei_cdc_ncm_resume, + .supports_autosuspend = 1, + .disable_hub_initiated_lpm = 1, +}; +module_usb_driver(huawei_cdc_ncm_driver); +MODULE_AUTHOR("Enrico Mioso "); +MODULE_DESCRIPTION("USB CDC NCM host driver with encapsulated protocol support"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 9fea037de5f33973d48e8f893a0087c6f9861e7b Mon Sep 17 00:00:00 2001 From: Enrico Mioso Date: Mon, 4 Nov 2013 09:50:49 +0100 Subject: net: cdc_ncm: remove non-standard NCM device IDs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Remove device IDs of NCM-like (but not NCM-conformant) devices, that are handled by the huawwei_cdc_ncm driver now. Signed-off-by: Enrico Mioso Signed-off-by: Bjørn Mork Signed-off-by: David S. Miller --- drivers/net/usb/cdc_ncm.c | 11 ----------- 1 file changed, 11 deletions(-) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 1763195bd599..f74786aa37be 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1186,17 +1186,6 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long)&wwan_info, }, - /* Huawei NCM devices disguised as vendor specific */ - { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16), - .driver_info = (unsigned long)&wwan_info, - }, - { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), - .driver_info = (unsigned long)&wwan_info, - }, - { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x76), - .driver_info = (unsigned long)&wwan_info, - }, - /* Infineon(now Intel) HSPA Modem platform */ { USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443, USB_CLASS_COMM, -- cgit v1.2.3