From fba76a58452694b9b13c07e48839fa84c75f57af Mon Sep 17 00:00:00 2001 From: Oliver Hartkopp Date: Tue, 23 Jul 2019 15:17:55 +0200 Subject: can: Add SPDX license identifiers for CAN subsystem Add missing SPDX identifiers for the CAN network layer and correct the SPDX license for two of its include files to make sure the BSD-3-Clause applies for the entire subsystem. Signed-off-by: Oliver Hartkopp Signed-off-by: Marc Kleine-Budde --- net/can/af_can.h | 1 + 1 file changed, 1 insertion(+) (limited to 'net/can/af_can.h') diff --git a/net/can/af_can.h b/net/can/af_can.h index 9cb3719632bd..ef21f7c6bc80 100644 --- a/net/can/af_can.h +++ b/net/can/af_can.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ /* * Copyright (c) 2002-2007 Volkswagen Group Electronic Research * All rights reserved. -- cgit v1.2.3 From 147d9e9a67e118270bc83ea89cc989f7f1e4edea Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Wed, 24 Jul 2019 14:16:29 +0200 Subject: can: af_can: convert block comments to network style comments This patch converts all block comments to network subsystem style block comments. Signed-off-by: Marc Kleine-Budde --- net/can/af_can.c | 49 ++++++++++++++----------------------------------- net/can/af_can.h | 3 +-- 2 files changed, 15 insertions(+), 37 deletions(-) (limited to 'net/can/af_can.h') diff --git a/net/can/af_can.c b/net/can/af_can.c index 76cf83b2bd40..dc8f9720d5cd 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) -/* - * af_can.c - Protocol family CAN core module +/* af_can.c - Protocol family CAN core module * (used by different CAN protocol modules) * * Copyright (c) 2002-2017 Volkswagen Group Electronic Research @@ -84,9 +83,7 @@ static DEFINE_MUTEX(proto_tab_lock); static atomic_t skbcounter = ATOMIC_INIT(0); -/* - * af_can socket functions - */ +/* af_can socket functions */ static void can_sock_destruct(struct sock *sk) { @@ -132,8 +129,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol, err = request_module("can-proto-%d", protocol); - /* - * In case of error we only print a message but don't + /* In case of error we only print a message but don't * return the error code immediately. Below we will * return -EPROTONOSUPPORT */ @@ -180,9 +176,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol, return err; } -/* - * af_can tx path - */ +/* af_can tx path */ /** * can_send - transmit a CAN frame (optional with local loopback) @@ -218,8 +212,7 @@ int can_send(struct sk_buff *skb, int loop) } else goto inval_skb; - /* - * Make sure the CAN frame can pass the selected CAN netdevice. + /* Make sure the CAN frame can pass the selected CAN netdevice. * As structs can_frame and canfd_frame are similar, we can provide * CAN FD frames to legacy CAN drivers as long as the length is <= 8 */ @@ -250,8 +243,7 @@ int can_send(struct sk_buff *skb, int loop) /* indication for the CAN driver: do loopback */ skb->pkt_type = PACKET_LOOPBACK; - /* - * The reference to the originating sock may be required + /* The reference to the originating sock may be required * by the receiving socket to check whether the frame is * its own. Example: can_raw sockopt CAN_RAW_RECV_OWN_MSGS * Therefore we have to ensure that skb->sk remains the @@ -260,8 +252,7 @@ int can_send(struct sk_buff *skb, int loop) */ if (!(skb->dev->flags & IFF_ECHO)) { - /* - * If the interface is not capable to do loopback + /* If the interface is not capable to do loopback * itself, we do it here. */ newskb = skb_clone(skb, GFP_ATOMIC); @@ -304,9 +295,7 @@ inval_skb: } EXPORT_SYMBOL(can_send); -/* - * af_can rx path - */ +/* af_can rx path */ static struct can_dev_rcv_lists *find_dev_rcv_lists(struct net *net, struct net_device *dev) @@ -498,9 +487,7 @@ int can_rx_register(struct net *net, struct net_device *dev, canid_t can_id, } EXPORT_SYMBOL(can_rx_register); -/* - * can_rx_delete_receiver - rcu callback for single receiver entry removal - */ +/* can_rx_delete_receiver - rcu callback for single receiver entry removal */ static void can_rx_delete_receiver(struct rcu_head *rp) { struct receiver *r = container_of(rp, struct receiver, rcu); @@ -549,8 +536,7 @@ void can_rx_unregister(struct net *net, struct net_device *dev, canid_t can_id, rl = find_rcv_list(&can_id, &mask, d); - /* - * Search the receiver list for the item to delete. This should + /* Search the receiver list for the item to delete. This should * exist, since no receiver may be unregistered that hasn't * been registered before. */ @@ -561,8 +547,7 @@ void can_rx_unregister(struct net *net, struct net_device *dev, canid_t can_id, break; } - /* - * Check for bugs in CAN protocol implementations using af_can.c: + /* Check for bugs in CAN protocol implementations using af_can.c: * 'r' will be NULL if no matching list item was found for removal. */ @@ -737,9 +722,7 @@ static int canfd_rcv(struct sk_buff *skb, struct net_device *dev, return NET_RX_SUCCESS; } -/* - * af_can protocol functions - */ +/* af_can protocol functions */ /** * can_proto_register - register CAN transport protocol @@ -801,9 +784,7 @@ void can_proto_unregister(const struct can_proto *cp) } EXPORT_SYMBOL(can_proto_unregister); -/* - * af_can notifier to create/remove CAN netdevice specific structs - */ +/* af_can notifier to create/remove CAN netdevice specific structs */ static int can_notifier(struct notifier_block *nb, unsigned long msg, void *ptr) { @@ -913,9 +894,7 @@ static void can_pernet_exit(struct net *net) kfree(net->can.can_pstats); } -/* - * af_can module init/exit functions - */ +/* af_can module init/exit functions */ static struct packet_type can_packet __read_mostly = { .type = cpu_to_be16(ETH_P_CAN), diff --git a/net/can/af_can.h b/net/can/af_can.h index ef21f7c6bc80..41a45e3bc4a4 100644 --- a/net/can/af_can.h +++ b/net/can/af_can.h @@ -1,6 +1,5 @@ /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ -/* - * Copyright (c) 2002-2007 Volkswagen Group Electronic Research +/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research * All rights reserved. * * Redistribution and use in source and binary forms, with or without -- cgit v1.2.3 From 97c334935100e762feb4f083291bb2fc006de7df Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Tue, 13 Aug 2019 11:25:33 +0200 Subject: can: af_can: add missing identifiers to struct receiver::func This patch adds the missing identifiers to the struct receiver::func declaration. Signed-off-by: Marc Kleine-Budde --- net/can/af_can.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/can/af_can.h') diff --git a/net/can/af_can.h b/net/can/af_can.h index 41a45e3bc4a4..9cdb79083623 100644 --- a/net/can/af_can.h +++ b/net/can/af_can.h @@ -53,7 +53,7 @@ struct receiver { canid_t can_id; canid_t mask; unsigned long matches; - void (*func)(struct sk_buff *, void *); + void (*func)(struct sk_buff *skb, void *data); void *data; char *ident; struct sock *sk; -- cgit v1.2.3 From 6c43bb3a413c0e5a73b48f35525f8a76396cda2f Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Mon, 8 Oct 2018 09:02:26 +0200 Subject: can: netns: give structs holding the CAN statistics a sensible name This patch renames both "struct s_stats" and "struct s_pstats", to "struct can_pkg_stats" and "struct can_rcv_lists_stats" to better reflect their meaning and improve code readability. The conversion is done with: sed -i \ -e "s/struct s_stats/struct can_pkg_stats/g" \ -e "s/struct s_pstats/struct can_rcv_lists_stats/g" \ net/can/*.[ch] \ include/net/netns/can.h Signed-off-by: Oleksij Rempel Acked-by: Oliver Hartkopp Signed-off-by: Marc Kleine-Budde --- include/net/netns/can.h | 8 ++++---- net/can/af_can.c | 8 ++++---- net/can/af_can.h | 4 ++-- net/can/proc.c | 16 ++++++++-------- 4 files changed, 18 insertions(+), 18 deletions(-) (limited to 'net/can/af_can.h') diff --git a/include/net/netns/can.h b/include/net/netns/can.h index ca9bd9fba5b5..f2e5646e36f2 100644 --- a/include/net/netns/can.h +++ b/include/net/netns/can.h @@ -9,8 +9,8 @@ #include struct can_dev_rcv_lists; -struct s_stats; -struct s_pstats; +struct can_pkg_stats; +struct can_rcv_lists_stats; struct netns_can { #if IS_ENABLED(CONFIG_PROC_FS) @@ -31,8 +31,8 @@ struct netns_can { struct can_dev_rcv_lists *can_rx_alldev_list; spinlock_t can_rcvlists_lock; struct timer_list can_stattimer;/* timer for statistics update */ - struct s_stats *can_stats; /* packet statistics */ - struct s_pstats *can_pstats; /* receive list statistics */ + struct can_pkg_stats *can_stats; /* packet statistics */ + struct can_rcv_lists_stats *can_pstats; /* receive list statistics */ /* CAN GW per-net gateway jobs */ struct hlist_head cgw_list; diff --git a/net/can/af_can.c b/net/can/af_can.c index 9a9a51847c7c..0da9e6a573c5 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -198,7 +198,7 @@ int can_send(struct sk_buff *skb, int loop) { struct sk_buff *newskb = NULL; struct canfd_frame *cfd = (struct canfd_frame *)skb->data; - struct s_stats *can_stats = dev_net(skb->dev)->can.can_stats; + struct can_pkg_stats *can_stats = dev_net(skb->dev)->can.can_stats; int err = -EINVAL; if (skb->len == CAN_MTU) { @@ -441,7 +441,7 @@ int can_rx_register(struct net *net, struct net_device *dev, canid_t can_id, struct receiver *r; struct hlist_head *rl; struct can_dev_rcv_lists *d; - struct s_pstats *can_pstats = net->can.can_pstats; + struct can_rcv_lists_stats *can_pstats = net->can.can_pstats; int err = 0; /* insert new receiver (dev,canid,mask) -> (func,data) */ @@ -515,7 +515,7 @@ void can_rx_unregister(struct net *net, struct net_device *dev, canid_t can_id, { struct receiver *r = NULL; struct hlist_head *rl; - struct s_pstats *can_pstats = net->can.can_pstats; + struct can_rcv_lists_stats *can_pstats = net->can.can_pstats; struct can_dev_rcv_lists *d; if (dev && dev->type != ARPHRD_CAN) @@ -655,7 +655,7 @@ static void can_receive(struct sk_buff *skb, struct net_device *dev) { struct can_dev_rcv_lists *d; struct net *net = dev_net(dev); - struct s_stats *can_stats = net->can.can_stats; + struct can_pkg_stats *can_stats = net->can.can_stats; int matches; /* update statistics */ diff --git a/net/can/af_can.h b/net/can/af_can.h index 9cdb79083623..25d22e534506 100644 --- a/net/can/af_can.h +++ b/net/can/af_can.h @@ -78,7 +78,7 @@ struct can_dev_rcv_lists { /* statistic structures */ /* can be reset e.g. by can_init_stats() */ -struct s_stats { +struct can_pkg_stats { unsigned long jiffies_init; unsigned long rx_frames; @@ -103,7 +103,7 @@ struct s_stats { }; /* persistent statistics */ -struct s_pstats { +struct can_rcv_lists_stats { unsigned long stats_reset; unsigned long user_reset; unsigned long rcv_entries; diff --git a/net/can/proc.c b/net/can/proc.c index edb822c31902..d05e8c8b420d 100644 --- a/net/can/proc.c +++ b/net/can/proc.c @@ -78,14 +78,14 @@ static const char rx_list_name[][8] = { static void can_init_stats(struct net *net) { - struct s_stats *can_stats = net->can.can_stats; - struct s_pstats *can_pstats = net->can.can_pstats; + struct can_pkg_stats *can_stats = net->can.can_stats; + struct can_rcv_lists_stats *can_pstats = net->can.can_pstats; /* * This memset function is called from a timer context (when * can_stattimer is active which is the default) OR in a process * context (reading the proc_fs when can_stattimer is disabled). */ - memset(can_stats, 0, sizeof(struct s_stats)); + memset(can_stats, 0, sizeof(struct can_pkg_stats)); can_stats->jiffies_init = jiffies; can_pstats->stats_reset++; @@ -119,7 +119,7 @@ static unsigned long calc_rate(unsigned long oldjif, unsigned long newjif, void can_stat_update(struct timer_list *t) { struct net *net = from_timer(net, t, can.can_stattimer); - struct s_stats *can_stats = net->can.can_stats; + struct can_pkg_stats *can_stats = net->can.can_stats; unsigned long j = jiffies; /* snapshot */ /* restart counting in timer context on user request */ @@ -212,8 +212,8 @@ static void can_print_recv_banner(struct seq_file *m) static int can_stats_proc_show(struct seq_file *m, void *v) { struct net *net = m->private; - struct s_stats *can_stats = net->can.can_stats; - struct s_pstats *can_pstats = net->can.can_pstats; + struct can_pkg_stats *can_stats = net->can.can_stats; + struct can_rcv_lists_stats *can_pstats = net->can.can_pstats; seq_putc(m, '\n'); seq_printf(m, " %8ld transmitted frames (TXF)\n", can_stats->tx_frames); @@ -274,8 +274,8 @@ static int can_stats_proc_show(struct seq_file *m, void *v) static int can_reset_stats_proc_show(struct seq_file *m, void *v) { struct net *net = m->private; - struct s_pstats *can_pstats = net->can.can_pstats; - struct s_stats *can_stats = net->can.can_stats; + struct can_rcv_lists_stats *can_pstats = net->can.can_pstats; + struct can_pkg_stats *can_stats = net->can.can_stats; user_reset = 1; -- cgit v1.2.3 From ffd956eef69b212a724b1cc4cdc61828f3ad9104 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Mon, 8 Oct 2018 09:02:38 +0200 Subject: can: introduce CAN midlayer private and allocate it automatically This patch introduces the CAN midlayer private structure ("struct can_ml_priv") which should be used to hold protocol specific per device data structures. For now it's only member is "struct can_dev_rcv_lists". The CAN midlayer private is allocated via alloc_netdev()'s private and assigned to "struct net_device::ml_priv" during device creation. This is done transparently for CAN drivers using alloc_candev(). The slcan, vcan and vxcan drivers which are not using alloc_candev() have been adopted manually. The memory layout of the netdev_priv allocated via alloc_candev() will looke like this: +-------------------------+ | driver's priv | +-------------------------+ | struct can_ml_priv | +-------------------------+ | array of struct sk_buff | +-------------------------+ Signed-off-by: Oleksij Rempel Signed-off-by: Oliver Hartkopp Signed-off-by: Marc Kleine-Budde --- drivers/net/can/dev.c | 22 +++++++++++++--- drivers/net/can/slcan.c | 5 +++- drivers/net/can/vcan.c | 6 +++-- drivers/net/can/vxcan.c | 3 ++- include/linux/can/can-ml.h | 66 ++++++++++++++++++++++++++++++++++++++++++++++ net/can/af_can.c | 1 + net/can/af_can.h | 15 ----------- net/can/proc.c | 1 + 8 files changed, 96 insertions(+), 23 deletions(-) create mode 100644 include/linux/can/can-ml.h (limited to 'net/can/af_can.h') diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 483d270664cc..9e688dc29521 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -718,11 +719,24 @@ struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max, struct can_priv *priv; int size; + /* We put the driver's priv, the CAN mid layer priv and the + * echo skb into the netdevice's priv. The memory layout for + * the netdev_priv is like this: + * + * +-------------------------+ + * | driver's priv | + * +-------------------------+ + * | struct can_ml_priv | + * +-------------------------+ + * | array of struct sk_buff | + * +-------------------------+ + */ + + size = ALIGN(sizeof_priv, NETDEV_ALIGN) + sizeof(struct can_ml_priv); + if (echo_skb_max) - size = ALIGN(sizeof_priv, sizeof(struct sk_buff *)) + + size = ALIGN(size, sizeof(struct sk_buff *)) + echo_skb_max * sizeof(struct sk_buff *); - else - size = sizeof_priv; dev = alloc_netdev_mqs(size, "can%d", NET_NAME_UNKNOWN, can_setup, txqs, rxqs); @@ -735,7 +749,7 @@ struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max, if (echo_skb_max) { priv->echo_skb_max = echo_skb_max; priv->echo_skb = (void *)priv + - ALIGN(sizeof_priv, sizeof(struct sk_buff *)); + (size - echo_skb_max * sizeof(struct sk_buff *)); } priv->state = CAN_STATE_STOPPED; diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index aa97dbc797b6..5b2e95425e69 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -55,6 +55,7 @@ #include #include #include +#include MODULE_ALIAS_LDISC(N_SLCAN); MODULE_DESCRIPTION("serial line CAN interface"); @@ -514,6 +515,7 @@ static struct slcan *slc_alloc(void) char name[IFNAMSIZ]; struct net_device *dev = NULL; struct slcan *sl; + int size; for (i = 0; i < maxdev; i++) { dev = slcan_devs[i]; @@ -527,7 +529,8 @@ static struct slcan *slc_alloc(void) return NULL; sprintf(name, "slcan%d", i); - dev = alloc_netdev(sizeof(*sl), name, NET_NAME_UNKNOWN, slc_setup); + size = ALIGN(sizeof(*sl), NETDEV_ALIGN) + sizeof(struct can_ml_priv); + dev = alloc_netdev(size, name, NET_NAME_UNKNOWN, slc_setup); if (!dev) return NULL; diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index daf27133887b..6973ae09a37a 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include #include @@ -162,8 +163,9 @@ static void vcan_setup(struct net_device *dev) } static struct rtnl_link_ops vcan_link_ops __read_mostly = { - .kind = DRV_NAME, - .setup = vcan_setup, + .kind = DRV_NAME, + .priv_size = sizeof(struct can_ml_priv), + .setup = vcan_setup, }; static __init int vcan_init_module(void) diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c index b2106292230e..4c3eed796432 100644 --- a/drivers/net/can/vxcan.c +++ b/drivers/net/can/vxcan.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -281,7 +282,7 @@ static struct net *vxcan_get_link_net(const struct net_device *dev) static struct rtnl_link_ops vxcan_link_ops = { .kind = DRV_NAME, - .priv_size = sizeof(struct vxcan_priv), + .priv_size = ALIGN(sizeof(struct vxcan_priv), NETDEV_ALIGN) + sizeof(struct can_ml_priv), .setup = vxcan_setup, .newlink = vxcan_newlink, .dellink = vxcan_dellink, diff --git a/include/linux/can/can-ml.h b/include/linux/can/can-ml.h new file mode 100644 index 000000000000..0a9d778de8af --- /dev/null +++ b/include/linux/can/can-ml.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ +/* Copyright (c) 2002-2007 Volkswagen Group Electronic Research + * Copyright (c) 2017 Pengutronix, Marc Kleine-Budde + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Volkswagen nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Alternatively, provided that this notice is retained in full, this + * software may be distributed under the terms of the GNU General + * Public License ("GPL") version 2, in which case the provisions of the + * GPL apply INSTEAD OF those given above. + * + * The provided data structures and external interfaces from this code + * are not restricted to be used by modules with a GPL compatible license. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + */ + +#ifndef CAN_ML_H +#define CAN_ML_H + +#include +#include + +#define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS) +#define CAN_EFF_RCV_HASH_BITS 10 +#define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS) + +enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX }; + +struct can_dev_rcv_lists { + struct hlist_head rx[RX_MAX]; + struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ]; + struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ]; + int remove_on_zero_entries; + int entries; +}; + +struct can_ml_priv { + struct can_dev_rcv_lists dev_rcv_lists; +}; + +#endif /* CAN_ML_H */ diff --git a/net/can/af_can.c b/net/can/af_can.c index d65b19003a24..723299daa04e 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -58,6 +58,7 @@ #include #include #include +#include #include #include #include diff --git a/net/can/af_can.h b/net/can/af_can.h index 25d22e534506..7c2d9161e224 100644 --- a/net/can/af_can.h +++ b/net/can/af_can.h @@ -60,21 +60,6 @@ struct receiver { struct rcu_head rcu; }; -#define CAN_SFF_RCV_ARRAY_SZ (1 << CAN_SFF_ID_BITS) -#define CAN_EFF_RCV_HASH_BITS 10 -#define CAN_EFF_RCV_ARRAY_SZ (1 << CAN_EFF_RCV_HASH_BITS) - -enum { RX_ERR, RX_ALL, RX_FIL, RX_INV, RX_MAX }; - -/* per device receive filters linked at dev->ml_priv */ -struct can_dev_rcv_lists { - struct hlist_head rx[RX_MAX]; - struct hlist_head rx_sff[CAN_SFF_RCV_ARRAY_SZ]; - struct hlist_head rx_eff[CAN_EFF_RCV_ARRAY_SZ]; - int remove_on_zero_entries; - int entries; -}; - /* statistic structures */ /* can be reset e.g. by can_init_stats() */ diff --git a/net/can/proc.c b/net/can/proc.c index 560fa3c132bf..e6881bfc3ed1 100644 --- a/net/can/proc.c +++ b/net/can/proc.c @@ -45,6 +45,7 @@ #include #include #include +#include #include #include "af_can.h" -- cgit v1.2.3