diff options
Diffstat (limited to 'drivers/net/bnx2x')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x.h | 35 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_cmn.c | 682 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_cmn.h | 456 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_dcb.c | 202 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_dcb.h | 16 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_ethtool.c | 166 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_fw_defs.h | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_fw_file_hdr.h | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_hsi.h | 4 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_init.h | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_init_ops.h | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_link.c | 14 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_main.c | 432 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_reg.h | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_stats.c | 2 | ||||
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_stats.h | 2 |
16 files changed, 1162 insertions, 859 deletions
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index e0fca701d2f3..668a578c49e9 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -1,6 +1,6 @@ /* bnx2x.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -22,8 +22,8 @@ * (you will need to reboot afterwards) */ /* #define BNX2X_STOP_ON_ERROR */ -#define DRV_MODULE_VERSION "1.62.11-0" -#define DRV_MODULE_RELDATE "2011/01/31" +#define DRV_MODULE_VERSION "1.62.12-0" +#define DRV_MODULE_RELDATE "2011/03/20" #define BNX2X_BC_VER 0x040200 #define BNX2X_MULTI_QUEUE @@ -473,7 +473,8 @@ struct bnx2x_fastpath { #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS) #define MAX_RX_BD (NUM_RX_BD - 1) #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2) -#define MIN_RX_AVAIL 128 +#define MIN_RX_SIZE_TPA 72 +#define MIN_RX_SIZE_NONTPA 10 #define INIT_JUMBO_RX_RING_SIZE MAX_RX_AVAIL #define INIT_RX_RING_SIZE MAX_RX_AVAIL #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \ @@ -893,6 +894,22 @@ typedef enum { (&bp->def_status_blk->sp_sb.\ index_values[HC_SP_INDEX_EQ_CONS]) +/* This is a data that will be used to create a link report message. + * We will keep the data used for the last link report in order + * to prevent reporting the same link parameters twice. + */ +struct bnx2x_link_report_data { + u16 line_speed; /* Effective line speed */ + unsigned long link_report_flags;/* BNX2X_LINK_REPORT_XXX flags */ +}; + +enum { + BNX2X_LINK_REPORT_FD, /* Full DUPLEX */ + BNX2X_LINK_REPORT_LINK_DOWN, + BNX2X_LINK_REPORT_RX_FC_ON, + BNX2X_LINK_REPORT_TX_FC_ON, +}; + struct bnx2x { /* Fields used in the tx and intr/napi performance paths * are grouped together in the beginning of the structure @@ -918,7 +935,6 @@ struct bnx2x { int tx_ring_size; - u32 rx_csum; /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ #define ETH_OVREHEAD (ETH_HLEN + 8 + 8) #define ETH_MIN_PACKET_SIZE 60 @@ -1026,6 +1042,9 @@ struct bnx2x { struct link_params link_params; struct link_vars link_vars; + u32 link_cnt; + struct bnx2x_link_report_data last_reported_link; + struct mdio_if_info mdio; struct bnx2x_common common; @@ -1223,6 +1242,10 @@ struct bnx2x { /* DCBX Negotiation results */ struct dcbx_features dcbx_local_feat; u32 dcbx_error; +#ifdef BCM_DCBNL + struct dcbx_features dcbx_remote_feat; + u32 dcbx_remote_flags; +#endif u32 pending_max; }; @@ -1442,6 +1465,8 @@ struct bnx2x_func_init_params { #define WAIT_RAMROD_POLL 0x01 #define WAIT_RAMROD_COMMON 0x02 +void bnx2x_read_mf_cfg(struct bnx2x *bp); + /* dmae */ void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32); void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr, diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index e83ac6dd6fc0..d5bd35b7f2e1 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -1,6 +1,6 @@ /* bnx2x_cmn.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,12 +21,56 @@ #include <net/ipv6.h> #include <net/ip6_checksum.h> #include <linux/firmware.h> +#include <linux/prefetch.h> #include "bnx2x_cmn.h" #include "bnx2x_init.h" static int bnx2x_setup_irqs(struct bnx2x *bp); +/** + * bnx2x_bz_fp - zero content of the fastpath structure. + * + * @bp: driver handle + * @index: fastpath index to be zeroed + * + * Makes sure the contents of the bp->fp[index].napi is kept + * intact. + */ +static inline void bnx2x_bz_fp(struct bnx2x *bp, int index) +{ + struct bnx2x_fastpath *fp = &bp->fp[index]; + struct napi_struct orig_napi = fp->napi; + /* bzero bnx2x_fastpath contents */ + memset(fp, 0, sizeof(*fp)); + + /* Restore the NAPI object as it has been already initialized */ + fp->napi = orig_napi; +} + +/** + * bnx2x_move_fp - move content of the fastpath structure. + * + * @bp: driver handle + * @from: source FP index + * @to: destination FP index + * + * Makes sure the contents of the bp->fp[to].napi is kept + * intact. + */ +static inline void bnx2x_move_fp(struct bnx2x *bp, int from, int to) +{ + struct bnx2x_fastpath *from_fp = &bp->fp[from]; + struct bnx2x_fastpath *to_fp = &bp->fp[to]; + struct napi_struct orig_napi = to_fp->napi; + /* Move bnx2x_fastpath contents */ + memcpy(to_fp, from_fp, sizeof(*to_fp)); + to_fp->index = to; + + /* Restore the NAPI object as it has been already initialized */ + to_fp->napi = orig_napi; +} + /* free skb in the packet ring at pos idx * return idx of last bd freed */ @@ -87,7 +131,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, /* release skb */ WARN_ON(!skb); - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); tx_buf->first_bd = 0; tx_buf->skb = NULL; @@ -265,13 +309,15 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, */ #define TPA_TSTAMP_OPT_LEN 12 /** - * Calculate the approximate value of the MSS for this - * aggregation using the first packet of it. + * bnx2x_set_lro_mss - calculate the approximate value of the MSS * - * @param bp - * @param parsing_flags Parsing flags from the START CQE - * @param len_on_bd Total length of the first packet for the - * aggregation. + * @bp: driver handle + * @parsing_flags: parsing flags from the START CQE + * @len_on_bd: total length of the first packet for the + * aggregation. + * + * Approximate value of the MSS for this aggregation calculated using + * the first packet of it. */ static inline u16 bnx2x_set_lro_mss(struct bnx2x *bp, u16 parsing_flags, u16 len_on_bd) @@ -419,7 +465,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, } else { DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages" " - dropping packet!\n"); - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); } @@ -640,7 +686,7 @@ reuse_rx: skb_checksum_none_assert(skb); - if (bp->rx_csum) { + if (bp->dev->features & NETIF_F_RXCSUM) { if (likely(BNX2X_RX_CSUM_OK(cqe))) skb->ip_summed = CHECKSUM_UNNECESSARY; else @@ -758,35 +804,119 @@ u16 bnx2x_get_mf_speed(struct bnx2x *bp) return line_speed; } +/** + * bnx2x_fill_report_data - fill link report data to report + * + * @bp: driver handle + * @data: link state to update + * + * It uses a none-atomic bit operations because is called under the mutex. + */ +static inline void bnx2x_fill_report_data(struct bnx2x *bp, + struct bnx2x_link_report_data *data) +{ + u16 line_speed = bnx2x_get_mf_speed(bp); + + memset(data, 0, sizeof(*data)); + + /* Fill the report data: efective line speed */ + data->line_speed = line_speed; + + /* Link is down */ + if (!bp->link_vars.link_up || (bp->flags & MF_FUNC_DIS)) + __set_bit(BNX2X_LINK_REPORT_LINK_DOWN, + &data->link_report_flags); + + /* Full DUPLEX */ + if (bp->link_vars.duplex == DUPLEX_FULL) + __set_bit(BNX2X_LINK_REPORT_FD, &data->link_report_flags); + + /* Rx Flow Control is ON */ + if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) + __set_bit(BNX2X_LINK_REPORT_RX_FC_ON, &data->link_report_flags); + + /* Tx Flow Control is ON */ + if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) + __set_bit(BNX2X_LINK_REPORT_TX_FC_ON, &data->link_report_flags); +} + +/** + * bnx2x_link_report - report link status to OS. + * + * @bp: driver handle + * + * Calls the __bnx2x_link_report() under the same locking scheme + * as a link/PHY state managing code to ensure a consistent link + * reporting. + */ + void bnx2x_link_report(struct bnx2x *bp) { - if (bp->flags & MF_FUNC_DIS) { - netif_carrier_off(bp->dev); - netdev_err(bp->dev, "NIC Link is Down\n"); - return; - } + bnx2x_acquire_phy_lock(bp); + __bnx2x_link_report(bp); + bnx2x_release_phy_lock(bp); +} + +/** + * __bnx2x_link_report - report link status to OS. + * + * @bp: driver handle + * + * None atomic inmlementation. + * Should be called under the phy_lock. + */ +void __bnx2x_link_report(struct bnx2x *bp) +{ + struct bnx2x_link_report_data cur_data; - if (bp->link_vars.link_up) { - u16 line_speed; + /* reread mf_cfg */ + if (!CHIP_IS_E1(bp)) + bnx2x_read_mf_cfg(bp); - if (bp->state == BNX2X_STATE_OPEN) - netif_carrier_on(bp->dev); - netdev_info(bp->dev, "NIC Link is Up, "); + /* Read the current link report info */ + bnx2x_fill_report_data(bp, &cur_data); + + /* Don't report link down or exactly the same link status twice */ + if (!memcmp(&cur_data, &bp->last_reported_link, sizeof(cur_data)) || + (test_bit(BNX2X_LINK_REPORT_LINK_DOWN, + &bp->last_reported_link.link_report_flags) && + test_bit(BNX2X_LINK_REPORT_LINK_DOWN, + &cur_data.link_report_flags))) + return; - line_speed = bnx2x_get_mf_speed(bp); + bp->link_cnt++; - pr_cont("%d Mbps ", line_speed); + /* We are going to report a new link parameters now - + * remember the current data for the next time. + */ + memcpy(&bp->last_reported_link, &cur_data, sizeof(cur_data)); - if (bp->link_vars.duplex == DUPLEX_FULL) + if (test_bit(BNX2X_LINK_REPORT_LINK_DOWN, + &cur_data.link_report_flags)) { + netif_carrier_off(bp->dev); + netdev_err(bp->dev, "NIC Link is Down\n"); + return; + } else { + netif_carrier_on(bp->dev); + netdev_info(bp->dev, "NIC Link is Up, "); + pr_cont("%d Mbps ", cur_data.line_speed); + + if (test_and_clear_bit(BNX2X_LINK_REPORT_FD, + &cur_data.link_report_flags)) pr_cont("full duplex"); else pr_cont("half duplex"); - if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) { - if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) { + /* Handle the FC at the end so that only these flags would be + * possibly set. This way we may easily check if there is no FC + * enabled. + */ + if (cur_data.link_report_flags) { + if (test_bit(BNX2X_LINK_REPORT_RX_FC_ON, + &cur_data.link_report_flags)) { pr_cont(", receive "); - if (bp->link_vars.flow_ctrl & - BNX2X_FLOW_CTRL_TX) + if (test_bit(BNX2X_LINK_REPORT_TX_FC_ON, + &cur_data.link_report_flags)) pr_cont("& transmit "); } else { pr_cont(", transmit "); @@ -794,62 +924,9 @@ void bnx2x_link_report(struct bnx2x *bp) pr_cont("flow control ON"); } pr_cont("\n"); - - } else { /* link_down */ - netif_carrier_off(bp->dev); - netdev_err(bp->dev, "NIC Link is Down\n"); } } -/* Returns the number of actually allocated BDs */ -static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp, - int rx_ring_size) -{ - struct bnx2x *bp = fp->bp; - u16 ring_prod, cqe_ring_prod; - int i; - - fp->rx_comp_cons = 0; - cqe_ring_prod = ring_prod = 0; - for (i = 0; i < rx_ring_size; i++) { - if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { - BNX2X_ERR("was only able to allocate " - "%d rx skbs on queue[%d]\n", i, fp->index); - fp->eth_q_stats.rx_skb_alloc_failed++; - break; - } - ring_prod = NEXT_RX_IDX(ring_prod); - cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); - WARN_ON(ring_prod <= i); - } - - fp->rx_bd_prod = ring_prod; - /* Limit the CQE producer by the CQE ring size */ - fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT, - cqe_ring_prod); - fp->rx_pkt = fp->rx_calls = 0; - - return i; -} - -static inline void bnx2x_alloc_rx_bd_ring(struct bnx2x_fastpath *fp) -{ - struct bnx2x *bp = fp->bp; - int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size : - MAX_RX_AVAIL/bp->num_queues; - - rx_ring_size = max_t(int, MIN_RX_AVAIL, rx_ring_size); - - bnx2x_alloc_rx_bds(fp, rx_ring_size); - - /* Warning! - * this will generate an interrupt (to the TSTORM) - * must only be done after chip is initialized - */ - bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod, - fp->rx_sge_prod); -} - void bnx2x_init_rx_rings(struct bnx2x *bp) { int func = BP_FUNC(bp); @@ -858,6 +935,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) u16 ring_prod; int i, j; + /* Allocate TPA resources */ for_each_rx_queue(bp, j) { struct bnx2x_fastpath *fp = &bp->fp[j]; @@ -865,6 +943,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) "mtu %d rx_buf_size %d\n", bp->dev->mtu, fp->rx_buf_size); if (!fp->disable_tpa) { + /* Fill the per-aggregation pool */ for (i = 0; i < max_agg_queues; i++) { fp->tpa_pool[i].skb = netdev_alloc_skb(bp->dev, fp->rx_buf_size); @@ -919,13 +998,13 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) fp->rx_bd_cons = 0; - bnx2x_set_next_page_rx_bd(fp); - - /* CQ ring */ - bnx2x_set_next_page_rx_cq(fp); - - /* Allocate BDs and initialize BD ring */ - bnx2x_alloc_rx_bd_ring(fp); + /* Activate BD ring */ + /* Warning! + * this will generate an interrupt (to the TSTORM) + * must only be done after chip is initialized + */ + bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod, + fp->rx_sge_prod); if (j != 0) continue; @@ -959,27 +1038,40 @@ static void bnx2x_free_tx_skbs(struct bnx2x *bp) } } +static void bnx2x_free_rx_bds(struct bnx2x_fastpath *fp) +{ + struct bnx2x *bp = fp->bp; + int i; + + /* ring wasn't allocated */ + if (fp->rx_buf_ring == NULL) + return; + + for (i = 0; i < NUM_RX_BD; i++) { + struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; + struct sk_buff *skb = rx_buf->skb; + + if (skb == NULL) + continue; + + dma_unmap_single(&bp->pdev->dev, + dma_unmap_addr(rx_buf, mapping), + fp->rx_buf_size, DMA_FROM_DEVICE); + + rx_buf->skb = NULL; + dev_kfree_skb(skb); + } +} + static void bnx2x_free_rx_skbs(struct bnx2x *bp) { - int i, j; + int j; for_each_rx_queue(bp, j) { struct bnx2x_fastpath *fp = &bp->fp[j]; - for (i = 0; i < NUM_RX_BD; i++) { - struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; - struct sk_buff *skb = rx_buf->skb; + bnx2x_free_rx_bds(fp); - if (skb == NULL) - continue; - - dma_unmap_single(&bp->pdev->dev, - dma_unmap_addr(rx_buf, mapping), - fp->rx_buf_size, DMA_FROM_DEVICE); - - rx_buf->skb = NULL; - dev_kfree_skb(skb); - } if (!fp->disable_tpa) bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : @@ -1345,29 +1437,47 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; + /* Set the initial link reported state to link down */ + bnx2x_acquire_phy_lock(bp); + memset(&bp->last_reported_link, 0, sizeof(bp->last_reported_link)); + __set_bit(BNX2X_LINK_REPORT_LINK_DOWN, + &bp->last_reported_link.link_report_flags); + bnx2x_release_phy_lock(bp); + /* must be called before memory allocation and HW init */ bnx2x_ilt_set_info(bp); + /* zero fastpath structures preserving invariants like napi which are + * allocated only once + */ + for_each_queue(bp, i) + bnx2x_bz_fp(bp, i); + /* Set the receive queues buffer size */ bnx2x_set_rx_buf_size(bp); + for_each_queue(bp, i) + bnx2x_fp(bp, i, disable_tpa) = + ((bp->flags & TPA_ENABLE_FLAG) == 0); + +#ifdef BCM_CNIC + /* We don't want TPA on FCoE L2 ring */ + bnx2x_fcoe(bp, disable_tpa) = 1; +#endif + if (bnx2x_alloc_mem(bp)) return -ENOMEM; + /* As long as bnx2x_alloc_mem() may possibly update + * bp->num_queues, bnx2x_set_real_num_queues() should always + * come after it. + */ rc = bnx2x_set_real_num_queues(bp); if (rc) { BNX2X_ERR("Unable to set real_num_queues\n"); goto load_error0; } - for_each_queue(bp, i) - bnx2x_fp(bp, i, disable_tpa) = - ((bp->flags & TPA_ENABLE_FLAG) == 0); - -#ifdef BCM_CNIC - /* We don't want TPA on FCoE L2 ring */ - bnx2x_fcoe(bp, disable_tpa) = 1; -#endif bnx2x_napi_enable(bp); /* Send LOAD_REQUEST command to MCP @@ -1976,12 +2086,11 @@ static inline void bnx2x_set_pbd_gso_e2(struct sk_buff *skb, u32 *parsing_data, } /** - * Update PBD in GSO case. + * bnx2x_set_pbd_gso - update PBD in GSO case. * - * @param skb - * @param tx_start_bd - * @param pbd - * @param xmit_type + * @skb: packet skb + * @pbd: parse BD + * @xmit_type: xmit flags */ static inline void bnx2x_set_pbd_gso(struct sk_buff *skb, struct eth_tx_parse_bd_e1x *pbd, @@ -2008,42 +2117,50 @@ static inline void bnx2x_set_pbd_gso(struct sk_buff *skb, } /** + * bnx2x_set_pbd_csum_e2 - update PBD with checksum and return header length * - * @param skb - * @param tx_start_bd - * @param pbd_e2 - * @param xmit_type + * @bp: driver handle + * @skb: packet skb + * @parsing_data: data to be updated + * @xmit_type: xmit flags * - * @return header len + * 57712 related */ static inline u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb, u32 *parsing_data, u32 xmit_type) { - *parsing_data |= ((tcp_hdrlen(skb)/4) << - ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) & - ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW; + *parsing_data |= + ((((u8 *)skb_transport_header(skb) - skb->data) >> 1) << + ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W_SHIFT) & + ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W; - *parsing_data |= ((((u8 *)tcp_hdr(skb) - skb->data) / 2) << - ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W_SHIFT) & - ETH_TX_PARSE_BD_E2_TCP_HDR_START_OFFSET_W; + if (xmit_type & XMIT_CSUM_TCP) { + *parsing_data |= ((tcp_hdrlen(skb) / 4) << + ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) & + ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW; - return skb_transport_header(skb) + tcp_hdrlen(skb) - skb->data; + return skb_transport_header(skb) + tcp_hdrlen(skb) - skb->data; + } else + /* We support checksum offload for TCP and UDP only. + * No need to pass the UDP header length - it's a constant. + */ + return skb_transport_header(skb) + + sizeof(struct udphdr) - skb->data; } /** + * bnx2x_set_pbd_csum - update PBD with checksum and return header length * - * @param skb - * @param tx_start_bd - * @param pbd - * @param xmit_type - * - * @return Header length + * @bp: driver handle + * @skb: packet skb + * @pbd: parse BD to be updated + * @xmit_type: xmit flags */ static inline u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb, struct eth_tx_parse_bd_e1x *pbd, u32 xmit_type) { - u8 hlen = (skb_network_header(skb) - skb->data) / 2; + u8 hlen = (skb_network_header(skb) - skb->data) >> 1; /* for now NS flag is not used in Linux */ pbd->global_data = @@ -2051,9 +2168,15 @@ static inline u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb, ETH_TX_PARSE_BD_E1X_LLC_SNAP_EN_SHIFT)); pbd->ip_hlen_w = (skb_transport_header(skb) - - skb_network_header(skb)) / 2; + skb_network_header(skb)) >> 1; - hlen += pbd->ip_hlen_w + tcp_hdrlen(skb) / 2; + hlen += pbd->ip_hlen_w; + + /* We support checksum offload for TCP and UDP only */ + if (xmit_type & XMIT_CSUM_TCP) + hlen += tcp_hdrlen(skb) / 2; + else + hlen += sizeof(struct udphdr) / 2; pbd->total_hlen_w = cpu_to_le16(hlen); hlen = hlen*2; @@ -2379,6 +2502,232 @@ int bnx2x_change_mac_addr(struct net_device *dev, void *p) return 0; } +static void bnx2x_free_fp_mem_at(struct bnx2x *bp, int fp_index) +{ + union host_hc_status_block *sb = &bnx2x_fp(bp, fp_index, status_blk); + struct bnx2x_fastpath *fp = &bp->fp[fp_index]; + + /* Common */ +#ifdef BCM_CNIC + if (IS_FCOE_IDX(fp_index)) { + memset(sb, 0, sizeof(union host_hc_status_block)); + fp->status_blk_mapping = 0; + + } else { +#endif + /* status blocks */ + if (CHIP_IS_E2(bp)) + BNX2X_PCI_FREE(sb->e2_sb, + bnx2x_fp(bp, fp_index, + status_blk_mapping), + sizeof(struct host_hc_status_block_e2)); + else + BNX2X_PCI_FREE(sb->e1x_sb, + bnx2x_fp(bp, fp_index, + status_blk_mapping), + sizeof(struct host_hc_status_block_e1x)); +#ifdef BCM_CNIC + } +#endif + /* Rx */ + if (!skip_rx_queue(bp, fp_index)) { + bnx2x_free_rx_bds(fp); + + /* fastpath rx rings: rx_buf rx_desc rx_comp */ + BNX2X_FREE(bnx2x_fp(bp, fp_index, rx_buf_ring)); + BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, rx_desc_ring), + bnx2x_fp(bp, fp_index, rx_desc_mapping), + sizeof(struct eth_rx_bd) * NUM_RX_BD); + + BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, rx_comp_ring), + bnx2x_fp(bp, fp_index, rx_comp_mapping), + sizeof(struct eth_fast_path_rx_cqe) * + NUM_RCQ_BD); + + /* SGE ring */ + BNX2X_FREE(bnx2x_fp(bp, fp_index, rx_page_ring)); + BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, rx_sge_ring), + bnx2x_fp(bp, fp_index, rx_sge_mapping), + BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); + } + + /* Tx */ + if (!skip_tx_queue(bp, fp_index)) { + /* fastpath tx rings: tx_buf tx_desc */ + BNX2X_FREE(bnx2x_fp(bp, fp_index, tx_buf_ring)); + BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, tx_desc_ring), + bnx2x_fp(bp, fp_index, tx_desc_mapping), + sizeof(union eth_tx_bd_types) * NUM_TX_BD); + } + /* end of fastpath */ +} + +void bnx2x_free_fp_mem(struct bnx2x *bp) +{ + int i; + for_each_queue(bp, i) + bnx2x_free_fp_mem_at(bp, i); +} + +static inline void set_sb_shortcuts(struct bnx2x *bp, int index) +{ + union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk); + if (CHIP_IS_E2(bp)) { + bnx2x_fp(bp, index, sb_index_values) = + (__le16 *)status_blk.e2_sb->sb.index_values; + bnx2x_fp(bp, index, sb_running_index) = + (__le16 *)status_blk.e2_sb->sb.running_index; + } else { + bnx2x_fp(bp, index, sb_index_values) = + (__le16 *)status_blk.e1x_sb->sb.index_values; + bnx2x_fp(bp, index, sb_running_index) = + (__le16 *)status_blk.e1x_sb->sb.running_index; + } +} + +static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) +{ + union host_hc_status_block *sb; + struct bnx2x_fastpath *fp = &bp->fp[index]; + int ring_size = 0; + + /* if rx_ring_size specified - use it */ + int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size : + MAX_RX_AVAIL/bp->num_queues; + + /* allocate at least number of buffers required by FW */ + rx_ring_size = max_t(int, fp->disable_tpa ? MIN_RX_SIZE_NONTPA : + MIN_RX_SIZE_TPA, + rx_ring_size); + + bnx2x_fp(bp, index, bp) = bp; + bnx2x_fp(bp, index, index) = index; + + /* Common */ + sb = &bnx2x_fp(bp, index, status_blk); +#ifdef BCM_CNIC + if (!IS_FCOE_IDX(index)) { +#endif + /* status blocks */ + if (CHIP_IS_E2(bp)) + BNX2X_PCI_ALLOC(sb->e2_sb, + &bnx2x_fp(bp, index, status_blk_mapping), + sizeof(struct host_hc_status_block_e2)); + else + BNX2X_PCI_ALLOC(sb->e1x_sb, + &bnx2x_fp(bp, index, status_blk_mapping), + sizeof(struct host_hc_status_block_e1x)); +#ifdef BCM_CNIC + } +#endif + set_sb_shortcuts(bp, index); + + /* Tx */ + if (!skip_tx_queue(bp, index)) { + /* fastpath tx rings: tx_buf tx_desc */ + BNX2X_ALLOC(bnx2x_fp(bp, index, tx_buf_ring), + sizeof(struct sw_tx_bd) * NUM_TX_BD); + BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, tx_desc_ring), + &bnx2x_fp(bp, index, tx_desc_mapping), + sizeof(union eth_tx_bd_types) * NUM_TX_BD); + } + + /* Rx */ + if (!skip_rx_queue(bp, index)) { + /* fastpath rx rings: rx_buf rx_desc rx_comp */ + BNX2X_ALLOC(bnx2x_fp(bp, index, rx_buf_ring), + sizeof(struct sw_rx_bd) * NUM_RX_BD); + BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, rx_desc_ring), + &bnx2x_fp(bp, index, rx_desc_mapping), + sizeof(struct eth_rx_bd) * NUM_RX_BD); + + BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, rx_comp_ring), + &bnx2x_fp(bp, index, rx_comp_mapping), + sizeof(struct eth_fast_path_rx_cqe) * + NUM_RCQ_BD); + + /* SGE ring */ + BNX2X_ALLOC(bnx2x_fp(bp, index, rx_page_ring), + sizeof(struct sw_rx_page) * NUM_RX_SGE); + BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, rx_sge_ring), + &bnx2x_fp(bp, index, rx_sge_mapping), + BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); + /* RX BD ring */ + bnx2x_set_next_page_rx_bd(fp); + + /* CQ ring */ + bnx2x_set_next_page_rx_cq(fp); + + /* BDs */ + ring_size = bnx2x_alloc_rx_bds(fp, rx_ring_size); + if (ring_size < rx_ring_size) + goto alloc_mem_err; + } + + return 0; + +/* handles low memory cases */ +alloc_mem_err: + BNX2X_ERR("Unable to allocate full memory for queue %d (size %d)\n", + index, ring_size); + /* FW will drop all packets if queue is not big enough, + * In these cases we disable the queue + * Min size diferent for TPA and non-TPA queues + */ + if (ring_size < (fp->disable_tpa ? + MIN_RX_SIZE_TPA : MIN_RX_SIZE_NONTPA)) { + /* release memory allocated for this queue */ + bnx2x_free_fp_mem_at(bp, index); + return -ENOMEM; + } + return 0; +} + +int bnx2x_alloc_fp_mem(struct bnx2x *bp) +{ + int i; + + /** + * 1. Allocate FP for leading - fatal if error + * 2. {CNIC} Allocate FCoE FP - fatal if error + * 3. Allocate RSS - fix number of queues if error + */ + + /* leading */ + if (bnx2x_alloc_fp_mem_at(bp, 0)) + return -ENOMEM; +#ifdef BCM_CNIC + /* FCoE */ + if (bnx2x_alloc_fp_mem_at(bp, FCOE_IDX)) + return -ENOMEM; +#endif + /* RSS */ + for_each_nondefault_eth_queue(bp, i) + if (bnx2x_alloc_fp_mem_at(bp, i)) + break; + + /* handle memory failures */ + if (i != BNX2X_NUM_ETH_QUEUES(bp)) { + int delta = BNX2X_NUM_ETH_QUEUES(bp) - i; + + WARN_ON(delta < 0); +#ifdef BCM_CNIC + /** + * move non eth FPs next to last eth FP + * must be done in that order + * FCOE_IDX < FWD_IDX < OOO_IDX + */ + + /* move FCoE fp */ + bnx2x_move_fp(bp, FCOE_IDX, FCOE_IDX - delta); +#endif + bp->num_queues -= delta; + BNX2X_ERR("Adjusted num of queues from %d to %d\n", + bp->num_queues + delta, bp->num_queues); + } + + return 0; +} static int bnx2x_setup_irqs(struct bnx2x *bp) { @@ -2443,11 +2792,21 @@ alloc_err: } +static int bnx2x_reload_if_running(struct net_device *dev) +{ + struct bnx2x *bp = netdev_priv(dev); + + if (unlikely(!netif_running(dev))) + return 0; + + bnx2x_nic_unload(bp, UNLOAD_NORMAL); + return bnx2x_nic_load(bp, LOAD_NORMAL); +} + /* called with rtnl_lock */ int bnx2x_change_mtu(struct net_device *dev, int new_mtu) { struct bnx2x *bp = netdev_priv(dev); - int rc = 0; if (bp->recovery_state != BNX2X_RECOVERY_DONE) { printk(KERN_ERR "Handling parity error recovery. Try again later\n"); @@ -2464,12 +2823,55 @@ int bnx2x_change_mtu(struct net_device *dev, int new_mtu) */ dev->mtu = new_mtu; - if (netif_running(dev)) { - bnx2x_nic_unload(bp, UNLOAD_NORMAL); - rc = bnx2x_nic_load(bp, LOAD_NORMAL); + return bnx2x_reload_if_running(dev); +} + +u32 bnx2x_fix_features(struct net_device *dev, u32 features) +{ + struct bnx2x *bp = netdev_priv(dev); + + /* TPA requires Rx CSUM offloading */ + if (!(features & NETIF_F_RXCSUM) || bp->disable_tpa) + features &= ~NETIF_F_LRO; + + return features; +} + +int bnx2x_set_features(struct net_device *dev, u32 features) +{ + struct bnx2x *bp = netdev_priv(dev); + u32 flags = bp->flags; + bool bnx2x_reload = false; + + if (features & NETIF_F_LRO) + flags |= TPA_ENABLE_FLAG; + else + flags &= ~TPA_ENABLE_FLAG; + + if (features & NETIF_F_LOOPBACK) { + if (bp->link_params.loopback_mode != LOOPBACK_BMAC) { + bp->link_params.loopback_mode = LOOPBACK_BMAC; + bnx2x_reload = true; + } + } else { + if (bp->link_params.loopback_mode != LOOPBACK_NONE) { + bp->link_params.loopback_mode = LOOPBACK_NONE; + bnx2x_reload = true; + } } - return rc; + if (flags ^ bp->flags) { + bp->flags = flags; + bnx2x_reload = true; + } + + if (bnx2x_reload) { + if (bp->recovery_state == BNX2X_RECOVERY_DONE) + return bnx2x_reload_if_running(dev); + /* else: bnx2x_nic_load() will be called at end of recovery */ + } + + return 0; } void bnx2x_tx_timeout(struct net_device *dev) diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h index ef37b98d6146..1a3545bd8a92 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.h +++ b/drivers/net/bnx2x/bnx2x_cmn.h @@ -1,6 +1,6 @@ /* bnx2x_cmn.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,260 +25,277 @@ extern int num_queues; +/************************ Macros ********************************/ +#define BNX2X_PCI_FREE(x, y, size) \ + do { \ + if (x) { \ + dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \ + x = NULL; \ + y = 0; \ + } \ + } while (0) + +#define BNX2X_FREE(x) \ + do { \ + if (x) { \ + kfree((void *)x); \ + x = NULL; \ + } \ + } while (0) + +#define BNX2X_PCI_ALLOC(x, y, size) \ + do { \ + x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ + if (x == NULL) \ + goto alloc_mem_err; \ + memset((void *)x, 0, size); \ + } while (0) + +#define BNX2X_ALLOC(x, size) \ + do { \ + x = kzalloc(size, GFP_KERNEL); \ + if (x == NULL) \ + goto alloc_mem_err; \ + } while (0) + /*********************** Interfaces **************************** * Functions that need to be implemented by each driver version */ /** - * Initialize link parameters structure variables. - * - * @param bp - * @param load_mode + * bnx2x_initial_phy_init - initialize link parameters structure variables. * - * @return u8 + * @bp: driver handle + * @load_mode: current mode */ u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode); /** - * Configure hw according to link parameters structure. + * bnx2x_link_set - configure hw according to link parameters structure. * - * @param bp + * @bp: driver handle */ void bnx2x_link_set(struct bnx2x *bp); /** - * Query link status + * bnx2x_link_test - query link status. * - * @param bp - * @param is_serdes + * @bp: driver handle + * @is_serdes: bool * - * @return 0 - link is UP + * Returns 0 if link is UP. */ u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes); /** - * Handles link status change + * bnx2x__link_status_update - handles link status change. * - * @param bp + * @bp: driver handle */ void bnx2x__link_status_update(struct bnx2x *bp); /** - * Report link status to upper layer - * - * @param bp + * bnx2x_link_report - report link status to upper layer. * - * @return int + * @bp: driver handle */ void bnx2x_link_report(struct bnx2x *bp); +/* None-atomic version of bnx2x_link_report() */ +void __bnx2x_link_report(struct bnx2x *bp); + /** - * calculates MF speed according to current linespeed and MF - * configuration + * bnx2x_get_mf_speed - calculate MF speed. * - * @param bp + * @bp: driver handle * - * @return u16 + * Takes into account current linespeed and MF configuration. */ u16 bnx2x_get_mf_speed(struct bnx2x *bp); /** - * MSI-X slowpath interrupt handler - * - * @param irq - * @param dev_instance + * bnx2x_msix_sp_int - MSI-X slowpath interrupt handler * - * @return irqreturn_t + * @irq: irq number + * @dev_instance: private instance */ irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance); /** - * non MSI-X interrupt handler + * bnx2x_interrupt - non MSI-X interrupt handler * - * @param irq - * @param dev_instance - * - * @return irqreturn_t + * @irq: irq number + * @dev_instance: private instance */ irqreturn_t bnx2x_interrupt(int irq, void *dev_instance); #ifdef BCM_CNIC /** - * Send command to cnic driver + * bnx2x_cnic_notify - send command to cnic driver * - * @param bp - * @param cmd + * @bp: driver handle + * @cmd: command */ int bnx2x_cnic_notify(struct bnx2x *bp, int cmd); /** - * Provides cnic information for proper interrupt handling + * bnx2x_setup_cnic_irq_info - provides cnic with IRQ information * - * @param bp + * @bp: driver handle */ void bnx2x_setup_cnic_irq_info(struct bnx2x *bp); #endif /** - * Enable HW interrupts. + * bnx2x_int_enable - enable HW interrupts. * - * @param bp + * @bp: driver handle */ void bnx2x_int_enable(struct bnx2x *bp); /** - * Disable interrupts. This function ensures that there are no - * ISRs or SP DPCs (sp_task) are running after it returns. + * bnx2x_int_disable_sync - disable interrupts. * - * @param bp - * @param disable_hw if true, disable HW interrupts. + * @bp: driver handle + * @disable_hw: true, disable HW interrupts. + * + * This function ensures that there are no + * ISRs or SP DPCs (sp_task) are running after it returns. */ void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw); /** - * Loads device firmware + * bnx2x_init_firmware - loads device firmware * - * @param bp - * - * @return int + * @bp: driver handle */ int bnx2x_init_firmware(struct bnx2x *bp); /** - * Init HW blocks according to current initialization stage: - * COMMON, PORT or FUNCTION. - * - * @param bp - * @param load_code: COMMON, PORT or FUNCTION + * bnx2x_init_hw - init HW blocks according to current initialization stage. * - * @return int + * @bp: driver handle + * @load_code: COMMON, PORT or FUNCTION */ int bnx2x_init_hw(struct bnx2x *bp, u32 load_code); /** - * Init driver internals: + * bnx2x_nic_init - init driver internals. + * + * @bp: driver handle + * @load_code: COMMON, PORT or FUNCTION + * + * Initializes: * - rings * - status blocks * - etc. - * - * @param bp - * @param load_code COMMON, PORT or FUNCTION */ void bnx2x_nic_init(struct bnx2x *bp, u32 load_code); /** - * Allocate driver's memory. + * bnx2x_alloc_mem - allocate driver's memory. * - * @param bp - * - * @return int + * @bp: driver handle */ int bnx2x_alloc_mem(struct bnx2x *bp); /** - * Release driver's memory. + * bnx2x_free_mem - release driver's memory. * - * @param bp + * @bp: driver handle */ void bnx2x_free_mem(struct bnx2x *bp); /** - * Setup eth Client. - * - * @param bp - * @param fp - * @param is_leading + * bnx2x_setup_client - setup eth client. * - * @return int + * @bp: driver handle + * @fp: pointer to fastpath structure + * @is_leading: boolean */ int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp, int is_leading); /** - * Set number of queues according to mode - * - * @param bp + * bnx2x_set_num_queues - set number of queues according to mode. * + * @bp: driver handle */ void bnx2x_set_num_queues(struct bnx2x *bp); /** - * Cleanup chip internals: + * bnx2x_chip_cleanup - cleanup chip internals. + * + * @bp: driver handle + * @unload_mode: COMMON, PORT, FUNCTION + * * - Cleanup MAC configuration. - * - Close clients. + * - Closes clients. * - etc. - * - * @param bp - * @param unload_mode */ void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode); /** - * Acquire HW lock. - * - * @param bp - * @param resource Resource bit which was locked + * bnx2x_acquire_hw_lock - acquire HW lock. * - * @return int + * @bp: driver handle + * @resource: resource bit which was locked */ int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource); /** - * Release HW lock. + * bnx2x_release_hw_lock - release HW lock. * - * @param bp driver handle - * @param resource Resource bit which was locked - * - * @return int + * @bp: driver handle + * @resource: resource bit which was locked */ int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource); /** - * Configure eth MAC address in the HW according to the value in - * netdev->dev_addr. + * bnx2x_set_eth_mac - configure eth MAC address in the HW + * + * @bp: driver handle + * @set: set or clear * - * @param bp driver handle - * @param set + * Configures according to the value in netdev->dev_addr. */ void bnx2x_set_eth_mac(struct bnx2x *bp, int set); #ifdef BCM_CNIC /** - * Set/Clear FIP MAC(s) at the next enties in the CAM after the ETH - * MAC(s). This function will wait until the ramdord completion - * returns. + * bnx2x_set_fip_eth_mac_addr - Set/Clear FIP MAC(s) * - * @param bp driver handle - * @param set set or clear the CAM entry + * @bp: driver handle + * @set: set or clear the CAM entry * - * @return 0 if cussess, -ENODEV if ramrod doesn't return. + * Used next enties in the CAM after the ETH MAC(s). + * This function will wait until the ramdord completion returns. + * Return 0 if cussess, -ENODEV if ramrod doesn't return. */ int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set); /** - * Set/Clear ALL_ENODE mcast MAC. + * bnx2x_set_all_enode_macs - Set/Clear ALL_ENODE mcast MAC. * - * @param bp - * @param set - * - * @return int + * @bp: driver handle + * @set: set or clear */ int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set); #endif /** - * Set MAC filtering configurations. + * bnx2x_set_rx_mode - set MAC filtering configurations. * - * @remarks called with netif_tx_lock from dev_mcast.c + * @dev: netdevice * - * @param dev net_device + * called with netif_tx_lock from dev_mcast.c */ void bnx2x_set_rx_mode(struct net_device *dev); /** - * Configure MAC filtering rules in a FW. + * bnx2x_set_storm_rx_mode - configure MAC filtering rules in a FW. * - * @param bp driver handle + * @bp: driver handle */ void bnx2x_set_storm_rx_mode(struct bnx2x *bp); @@ -290,63 +307,59 @@ bool bnx2x_reset_is_done(struct bnx2x *bp); void bnx2x_disable_close_the_gate(struct bnx2x *bp); /** - * Perform statistics handling according to event + * bnx2x_stats_handle - perform statistics handling according to event. * - * @param bp driver handle - * @param event bnx2x_stats_event + * @bp: driver handle + * @event: bnx2x_stats_event */ void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event); /** - * Handle ramrods completion + * bnx2x_sp_event - handle ramrods completion. * - * @param fp fastpath handle for the event - * @param rr_cqe eth_rx_cqe + * @fp: fastpath handle for the event + * @rr_cqe: eth_rx_cqe */ void bnx2x_sp_event(struct bnx2x_fastpath *fp, union eth_rx_cqe *rr_cqe); /** - * Init/halt function before/after sending - * CLIENT_SETUP/CFC_DEL for the first/last client. + * bnx2x_func_start - init function * - * @param bp + * @bp: driver handle * - * @return int + * Must be called before sending CLIENT_SETUP for the first client. */ int bnx2x_func_start(struct bnx2x *bp); /** - * Prepare ILT configurations according to current driver - * parameters. + * bnx2x_ilt_set_info - prepare ILT configurations. * - * @param bp + * @bp: driver handle */ void bnx2x_ilt_set_info(struct bnx2x *bp); /** - * Inintialize dcbx protocol + * bnx2x_dcbx_init - initialize dcbx protocol. * - * @param bp + * @bp: driver handle */ void bnx2x_dcbx_init(struct bnx2x *bp); /** - * Set power state to the requested value. Currently only D0 and - * D3hot are supported. + * bnx2x_set_power_state - set power state to the requested value. * - * @param bp - * @param state D0 or D3hot + * @bp: driver handle + * @state: required state D0 or D3hot * - * @return int + * Currently only D0 and D3hot are supported. */ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state); /** - * Updates MAX part of MF configuration in HW - * (if required) + * bnx2x_update_max_mf_config - update MAX part of MF configuration in HW. * - * @param bp - * @param value + * @bp: driver handle + * @value: new value */ void bnx2x_update_max_mf_config(struct bnx2x *bp, u32 value); @@ -377,83 +390,72 @@ int bnx2x_resume(struct pci_dev *pdev); /* Release IRQ vectors */ void bnx2x_free_irq(struct bnx2x *bp); +void bnx2x_free_fp_mem(struct bnx2x *bp); +int bnx2x_alloc_fp_mem(struct bnx2x *bp); + void bnx2x_init_rx_rings(struct bnx2x *bp); void bnx2x_free_skbs(struct bnx2x *bp); void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw); void bnx2x_netif_start(struct bnx2x *bp); /** - * Fill msix_table, request vectors, update num_queues according - * to number of available vectors + * bnx2x_enable_msix - set msix configuration. * - * @param bp + * @bp: driver handle * - * @return int + * fills msix_table, requests vectors, updates num_queues + * according to number of available vectors. */ int bnx2x_enable_msix(struct bnx2x *bp); /** - * Request msi mode from OS, updated internals accordingly + * bnx2x_enable_msi - request msi mode from OS, updated internals accordingly * - * @param bp - * - * @return int + * @bp: driver handle */ int bnx2x_enable_msi(struct bnx2x *bp); /** - * NAPI callback + * bnx2x_poll - NAPI callback * - * @param napi - * @param budget + * @napi: napi structure + * @budget: * - * @return int */ int bnx2x_poll(struct napi_struct *napi, int budget); /** - * Allocate/release memories outsize main driver structure - * - * @param bp + * bnx2x_alloc_mem_bp - allocate memories outsize main driver structure * - * @return int + * @bp: driver handle */ int __devinit bnx2x_alloc_mem_bp(struct bnx2x *bp); -void bnx2x_free_mem_bp(struct bnx2x *bp); /** - * Change mtu netdev callback - * - * @param dev - * @param new_mtu + * bnx2x_free_mem_bp - release memories outsize main driver structure * - * @return int + * @bp: driver handle */ -int bnx2x_change_mtu(struct net_device *dev, int new_mtu); +void bnx2x_free_mem_bp(struct bnx2x *bp); /** - * tx timeout netdev callback + * bnx2x_change_mtu - change mtu netdev callback * - * @param dev - * @param new_mtu + * @dev: net device + * @new_mtu: requested mtu * - * @return int */ -void bnx2x_tx_timeout(struct net_device *dev); +int bnx2x_change_mtu(struct net_device *dev, int new_mtu); + +u32 bnx2x_fix_features(struct net_device *dev, u32 features); +int bnx2x_set_features(struct net_device *dev, u32 features); -#ifdef BCM_VLAN /** - * vlan rx register netdev callback - * - * @param dev - * @param new_mtu + * bnx2x_tx_timeout - tx timeout netdev callback * - * @return int + * @dev: net device */ -void bnx2x_vlan_rx_register(struct net_device *dev, - struct vlan_group *vlgrp); - -#endif +void bnx2x_tx_timeout(struct net_device *dev); static inline void bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) { @@ -705,7 +707,7 @@ static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) /** * disables tx from stack point of view * - * @param bp + * @bp: driver handle */ static inline void bnx2x_tx_disable(struct bnx2x *bp) { @@ -838,7 +840,7 @@ static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, mapping = dma_map_single(&bp->pdev->dev, skb->data, fp->rx_buf_size, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); return -ENOMEM; } @@ -880,6 +882,9 @@ static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, { int i; + if (fp->disable_tpa) + return; + for (i = 0; i < last; i++) bnx2x_free_rx_sge(bp, fp, i); } @@ -908,36 +913,39 @@ static inline void bnx2x_free_tpa_pool(struct bnx2x *bp, } } - -static inline void bnx2x_init_tx_rings(struct bnx2x *bp) +static inline void bnx2x_init_tx_ring_one(struct bnx2x_fastpath *fp) { - int i, j; + int i; - for_each_tx_queue(bp, j) { - struct bnx2x_fastpath *fp = &bp->fp[j]; + for (i = 1; i <= NUM_TX_RINGS; i++) { + struct eth_tx_next_bd *tx_next_bd = + &fp->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd; - for (i = 1; i <= NUM_TX_RINGS; i++) { - struct eth_tx_next_bd *tx_next_bd = - &fp->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd; + tx_next_bd->addr_hi = + cpu_to_le32(U64_HI(fp->tx_desc_mapping + + BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); + tx_next_bd->addr_lo = + cpu_to_le32(U64_LO(fp->tx_desc_mapping + + BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); + } - tx_next_bd->addr_hi = - cpu_to_le32(U64_HI(fp->tx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); - tx_next_bd->addr_lo = - cpu_to_le32(U64_LO(fp->tx_desc_mapping + - BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); - } + SET_FLAG(fp->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1); + fp->tx_db.data.zero_fill1 = 0; + fp->tx_db.data.prod = 0; - SET_FLAG(fp->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1); - fp->tx_db.data.zero_fill1 = 0; - fp->tx_db.data.prod = 0; + fp->tx_pkt_prod = 0; + fp->tx_pkt_cons = 0; + fp->tx_bd_prod = 0; + fp->tx_bd_cons = 0; + fp->tx_pkt = 0; +} - fp->tx_pkt_prod = 0; - fp->tx_pkt_cons = 0; - fp->tx_bd_prod = 0; - fp->tx_bd_cons = 0; - fp->tx_pkt = 0; - } +static inline void bnx2x_init_tx_rings(struct bnx2x *bp) +{ + int i; + + for_each_tx_queue(bp, i) + bnx2x_init_tx_ring_one(&bp->fp[i]); } static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp) @@ -992,6 +1000,44 @@ static inline void bnx2x_set_next_page_rx_cq(struct bnx2x_fastpath *fp) } } +/* Returns the number of actually allocated BDs */ +static inline int bnx2x_alloc_rx_bds(struct bnx2x_fastpath *fp, + int rx_ring_size) +{ + struct bnx2x *bp = fp->bp; + u16 ring_prod, cqe_ring_prod; + int i; + + fp->rx_comp_cons = 0; + cqe_ring_prod = ring_prod = 0; + + /* This routine is called only during fo init so + * fp->eth_q_stats.rx_skb_alloc_failed = 0 + */ + for (i = 0; i < rx_ring_size; i++) { + if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { + fp->eth_q_stats.rx_skb_alloc_failed++; + continue; + } + ring_prod = NEXT_RX_IDX(ring_prod); + cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); + WARN_ON(ring_prod <= (i - fp->eth_q_stats.rx_skb_alloc_failed)); + } + + if (fp->eth_q_stats.rx_skb_alloc_failed) + BNX2X_ERR("was only able to allocate " + "%d rx skbs on queue[%d]\n", + (i - fp->eth_q_stats.rx_skb_alloc_failed), fp->index); + + fp->rx_bd_prod = ring_prod; + /* Limit the CQE producer by the CQE ring size */ + fp->rx_comp_prod = min_t(u16, NUM_RCQ_RINGS*RCQ_DESC_CNT, + cqe_ring_prod); + fp->rx_pkt = fp->rx_calls = 0; + + return i - fp->eth_q_stats.rx_skb_alloc_failed; +} + #ifdef BCM_CNIC static inline void bnx2x_init_fcoe_fp(struct bnx2x *bp) { @@ -1041,12 +1087,23 @@ static inline void storm_memset_cmng(struct bnx2x *bp, struct cmng_struct_per_port *cmng, u8 port) { - size_t size = sizeof(struct cmng_struct_per_port); + size_t size = + sizeof(struct rate_shaping_vars_per_port) + + sizeof(struct fairness_vars_per_port) + + sizeof(struct safc_struct_per_port) + + sizeof(struct pfc_struct_per_port); u32 addr = BAR_XSTRORM_INTMEM + XSTORM_CMNG_PER_PORT_VARS_OFFSET(port); __storm_memset_struct(bp, addr, size, (u32 *)cmng); + + addr += size + 4 /* SKIP DCB+LLFC */; + size = sizeof(struct cmng_struct_per_port) - + size /* written */ - 4 /*skipped*/; + + __storm_memset_struct(bp, addr, size, + (u32 *)(cmng->traffic_type_to_priority_cos)); } /* HW Lock for shared dual port PHYs */ @@ -1054,12 +1111,11 @@ void bnx2x_acquire_phy_lock(struct bnx2x *bp); void bnx2x_release_phy_lock(struct bnx2x *bp); /** - * Extracts MAX BW part from MF configuration. + * bnx2x_extract_max_cfg - extract MAX BW part from MF configuration. * - * @param bp - * @param mf_cfg + * @bp: driver handle + * @mf_cfg: MF configuration * - * @return u16 */ static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg) { diff --git a/drivers/net/bnx2x/bnx2x_dcb.c b/drivers/net/bnx2x/bnx2x_dcb.c index 9a24d79c71d9..410a49e571ac 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.c +++ b/drivers/net/bnx2x/bnx2x_dcb.c @@ -1,6 +1,6 @@ /* bnx2x_dcb.c: Broadcom Everest network driver. * - * Copyright 2009-2010 Broadcom Corporation + * Copyright 2009-2011 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -485,6 +485,36 @@ static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp) } } +#ifdef BCM_DCBNL +static int bnx2x_dcbx_read_shmem_remote_mib(struct bnx2x *bp) +{ + struct lldp_remote_mib remote_mib = {0}; + u32 dcbx_remote_mib_offset = SHMEM2_RD(bp, dcbx_remote_mib_offset); + int rc; + + DP(NETIF_MSG_LINK, "dcbx_remote_mib_offset 0x%x\n", + dcbx_remote_mib_offset); + + if (SHMEM_DCBX_REMOTE_MIB_NONE == dcbx_remote_mib_offset) { + BNX2X_ERR("FW doesn't support dcbx_remote_mib_offset\n"); + return -EINVAL; + } + + rc = bnx2x_dcbx_read_mib(bp, (u32 *)&remote_mib, dcbx_remote_mib_offset, + DCBX_READ_REMOTE_MIB); + + if (rc) { + BNX2X_ERR("Faild to read remote mib from FW\n"); + return rc; + } + + /* save features and flags */ + bp->dcbx_remote_feat = remote_mib.features; + bp->dcbx_remote_flags = remote_mib.flags; + return 0; +} +#endif + static int bnx2x_dcbx_read_shmem_neg_results(struct bnx2x *bp) { struct lldp_local_mib local_mib = {0}; @@ -571,6 +601,28 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) { switch (state) { case BNX2X_DCBX_STATE_NEG_RECEIVED: +#ifdef BCM_CNIC + if (bp->state != BNX2X_STATE_OPENING_WAIT4_LOAD) { + struct cnic_ops *c_ops; + struct cnic_eth_dev *cp = &bp->cnic_eth_dev; + bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG; + cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO; + cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI; + + rcu_read_lock(); + c_ops = rcu_dereference(bp->cnic_ops); + if (c_ops) { + bnx2x_cnic_notify(bp, CNIC_CTL_STOP_ISCSI_CMD); + rcu_read_unlock(); + return; + } + rcu_read_unlock(); + } + + /* fall through if no CNIC initialized */ + case BNX2X_DCBX_STATE_ISCSI_STOPPED: +#endif + { DP(NETIF_MSG_LINK, "BNX2X_DCBX_STATE_NEG_RECEIVED\n"); #ifdef BCM_DCBNL @@ -579,6 +631,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) * negotiation results */ bnx2x_dcbnl_update_applist(bp, true); + + /* Read rmeote mib if dcbx is in the FW */ + if (bnx2x_dcbx_read_shmem_remote_mib(bp)) + return; #endif /* Read neg results if dcbx is in the FW */ if (bnx2x_dcbx_read_shmem_neg_results(bp)) @@ -1057,12 +1113,6 @@ static void bnx2x_dcbx_get_num_pg_traf_type(struct bnx2x *bp, } } - -/******************************************************************************* - * Description: single priority group - * - * Return: - ******************************************************************************/ static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, struct cos_help_data *cos_data, u32 pri_join_mask) @@ -1075,11 +1125,6 @@ static void bnx2x_dcbx_ets_disabled_entry_data(struct bnx2x *bp, cos_data->num_of_cos = 1; } -/******************************************************************************* - * Description: updating the cos bw - * - * Return: - ******************************************************************************/ static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, struct cos_entry_help_data *data, u8 pg_bw) @@ -1090,11 +1135,6 @@ static inline void bnx2x_dcbx_add_to_cos_bw(struct bnx2x *bp, data->cos_bw += pg_bw; } -/******************************************************************************* - * Description: single priority group - * - * Return: - ******************************************************************************/ static void bnx2x_dcbx_separate_pauseable_from_non(struct bnx2x *bp, struct cos_help_data *cos_data, u32 *pg_pri_orginal_spread, @@ -1347,11 +1387,6 @@ static void bnx2x_dcbx_two_pg_to_cos_params( } } -/******************************************************************************* - * Description: Still - * - * Return: - ******************************************************************************/ static void bnx2x_dcbx_three_pg_to_cos_params( struct bnx2x *bp, struct pg_help_data *pg_help_data, @@ -1539,11 +1574,6 @@ static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, } } -/******************************************************************************* - * Description: Fill pfc_config struct that will be sent in DCBX start ramrod - * - * Return: - ******************************************************************************/ static void bnx2x_pfc_fw_struct_e2(struct bnx2x *bp) { struct flow_control_configuration *pfc_fw_cfg = NULL; @@ -2035,7 +2065,6 @@ static u8 bnx2x_dcbnl_set_dcbx(struct net_device *netdev, u8 state) return 0; } - static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, u8 *flags) { @@ -2115,31 +2144,100 @@ static u8 bnx2x_dcbnl_set_featcfg(struct net_device *netdev, int featid, return rval; } +static int bnx2x_peer_appinfo(struct net_device *netdev, + struct dcb_peer_app_info *info, u16* app_count) +{ + int i; + struct bnx2x *bp = netdev_priv(netdev); + + DP(NETIF_MSG_LINK, "APP-INFO\n"); + + info->willing = (bp->dcbx_remote_flags & DCBX_APP_REM_WILLING) ?: 0; + info->error = (bp->dcbx_remote_flags & DCBX_APP_RX_ERROR) ?: 0; + *app_count = 0; + + for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) + if (bp->dcbx_remote_feat.app.app_pri_tbl[i].appBitfield & + DCBX_APP_ENTRY_VALID) + (*app_count)++; + return 0; +} + +static int bnx2x_peer_apptable(struct net_device *netdev, + struct dcb_app *table) +{ + int i, j; + struct bnx2x *bp = netdev_priv(netdev); + + DP(NETIF_MSG_LINK, "APP-TABLE\n"); + + for (i = 0, j = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { + struct dcbx_app_priority_entry *ent = + &bp->dcbx_remote_feat.app.app_pri_tbl[i]; + + if (ent->appBitfield & DCBX_APP_ENTRY_VALID) { + table[j].selector = bnx2x_dcbx_dcbnl_app_idtype(ent); + table[j].priority = bnx2x_dcbx_dcbnl_app_up(ent); + table[j++].protocol = ent->app_id; + } + } + return 0; +} + +static int bnx2x_cee_peer_getpg(struct net_device *netdev, struct cee_pg *pg) +{ + int i; + struct bnx2x *bp = netdev_priv(netdev); + + pg->willing = (bp->dcbx_remote_flags & DCBX_ETS_REM_WILLING) ?: 0; + + for (i = 0; i < CEE_DCBX_MAX_PGS; i++) { + pg->pg_bw[i] = + DCBX_PG_BW_GET(bp->dcbx_remote_feat.ets.pg_bw_tbl, i); + pg->prio_pg[i] = + DCBX_PRI_PG_GET(bp->dcbx_remote_feat.ets.pri_pg_tbl, i); + } + return 0; +} + +static int bnx2x_cee_peer_getpfc(struct net_device *netdev, + struct cee_pfc *pfc) +{ + struct bnx2x *bp = netdev_priv(netdev); + pfc->tcs_supported = bp->dcbx_remote_feat.pfc.pfc_caps; + pfc->pfc_en = bp->dcbx_remote_feat.pfc.pri_en_bitmap; + return 0; +} + const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops = { - .getstate = bnx2x_dcbnl_get_state, - .setstate = bnx2x_dcbnl_set_state, - .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, - .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, - .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, - .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, - .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, - .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, - .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, - .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, - .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, - .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, - .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, - .setall = bnx2x_dcbnl_set_all, - .getcap = bnx2x_dcbnl_get_cap, - .getnumtcs = bnx2x_dcbnl_get_numtcs, - .setnumtcs = bnx2x_dcbnl_set_numtcs, - .getpfcstate = bnx2x_dcbnl_get_pfc_state, - .setpfcstate = bnx2x_dcbnl_set_pfc_state, - .setapp = bnx2x_dcbnl_set_app_up, - .getdcbx = bnx2x_dcbnl_get_dcbx, - .setdcbx = bnx2x_dcbnl_set_dcbx, - .getfeatcfg = bnx2x_dcbnl_get_featcfg, - .setfeatcfg = bnx2x_dcbnl_set_featcfg, + .getstate = bnx2x_dcbnl_get_state, + .setstate = bnx2x_dcbnl_set_state, + .getpermhwaddr = bnx2x_dcbnl_get_perm_hw_addr, + .setpgtccfgtx = bnx2x_dcbnl_set_pg_tccfg_tx, + .setpgbwgcfgtx = bnx2x_dcbnl_set_pg_bwgcfg_tx, + .setpgtccfgrx = bnx2x_dcbnl_set_pg_tccfg_rx, + .setpgbwgcfgrx = bnx2x_dcbnl_set_pg_bwgcfg_rx, + .getpgtccfgtx = bnx2x_dcbnl_get_pg_tccfg_tx, + .getpgbwgcfgtx = bnx2x_dcbnl_get_pg_bwgcfg_tx, + .getpgtccfgrx = bnx2x_dcbnl_get_pg_tccfg_rx, + .getpgbwgcfgrx = bnx2x_dcbnl_get_pg_bwgcfg_rx, + .setpfccfg = bnx2x_dcbnl_set_pfc_cfg, + .getpfccfg = bnx2x_dcbnl_get_pfc_cfg, + .setall = bnx2x_dcbnl_set_all, + .getcap = bnx2x_dcbnl_get_cap, + .getnumtcs = bnx2x_dcbnl_get_numtcs, + .setnumtcs = bnx2x_dcbnl_set_numtcs, + .getpfcstate = bnx2x_dcbnl_get_pfc_state, + .setpfcstate = bnx2x_dcbnl_set_pfc_state, + .setapp = bnx2x_dcbnl_set_app_up, + .getdcbx = bnx2x_dcbnl_get_dcbx, + .setdcbx = bnx2x_dcbnl_set_dcbx, + .getfeatcfg = bnx2x_dcbnl_get_featcfg, + .setfeatcfg = bnx2x_dcbnl_set_featcfg, + .peer_getappinfo = bnx2x_peer_appinfo, + .peer_getapptable = bnx2x_peer_apptable, + .cee_peer_getpg = bnx2x_cee_peer_getpg, + .cee_peer_getpfc = bnx2x_cee_peer_getpfc, }; #endif /* BCM_DCBNL */ diff --git a/drivers/net/bnx2x/bnx2x_dcb.h b/drivers/net/bnx2x/bnx2x_dcb.h index 71b8eda43bd0..bed369d67e02 100644 --- a/drivers/net/bnx2x/bnx2x_dcb.h +++ b/drivers/net/bnx2x/bnx2x_dcb.h @@ -1,6 +1,6 @@ /* bnx2x_dcb.h: Broadcom Everest network driver. * - * Copyright 2009-2010 Broadcom Corporation + * Copyright 2009-2011 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -61,9 +61,6 @@ struct bnx2x_dcbx_port_params { #define BNX2X_DCBX_OVERWRITE_SETTINGS_ENABLE 1 #define BNX2X_DCBX_OVERWRITE_SETTINGS_INVALID (BNX2X_DCBX_CONFIG_INV_VALUE) -/******************************************************************************* - * LLDP protocol configuration parameters. - ******************************************************************************/ struct bnx2x_config_lldp_params { u32 overwrite_settings; u32 msg_tx_hold; @@ -83,9 +80,6 @@ struct bnx2x_admin_priority_app_table { u32 app_id; }; -/******************************************************************************* - * DCBX protocol configuration parameters. - ******************************************************************************/ struct bnx2x_config_dcbx_params { u32 overwrite_settings; u32 admin_dcbx_version; @@ -183,9 +177,13 @@ void bnx2x_dcbx_set_state(struct bnx2x *bp, bool dcb_on, u32 dcbx_enabled); enum { BNX2X_DCBX_STATE_NEG_RECEIVED = 0x1, - BNX2X_DCBX_STATE_TX_PAUSED = 0x2, - BNX2X_DCBX_STATE_TX_RELEASED = 0x4 +#ifdef BCM_CNIC + BNX2X_DCBX_STATE_ISCSI_STOPPED, +#endif + BNX2X_DCBX_STATE_TX_PAUSED, + BNX2X_DCBX_STATE_TX_RELEASED }; + void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state); /* DCB netlink */ diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index f5050155c6b5..727fe89ff37f 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -1,6 +1,6 @@ /* bnx2x_ethtool.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -167,6 +167,7 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct bnx2x *bp = netdev_priv(dev); int cfg_idx = bnx2x_get_link_cfg_idx(bp); + /* Dual Media boards present all available port types */ cmd->supported = bp->port.supported[cfg_idx] | (bp->port.supported[cfg_idx ^ 1] & @@ -176,16 +177,16 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) if ((bp->state == BNX2X_STATE_OPEN) && !(bp->flags & MF_FUNC_DIS) && (bp->link_vars.link_up)) { - cmd->speed = bp->link_vars.line_speed; + ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed); cmd->duplex = bp->link_vars.duplex; } else { - - cmd->speed = bp->link_params.req_line_speed[cfg_idx]; + ethtool_cmd_speed_set( + cmd, bp->link_params.req_line_speed[cfg_idx]); cmd->duplex = bp->link_params.req_duplex[cfg_idx]; } if (IS_MF(bp)) - cmd->speed = bnx2x_get_mf_speed(bp); + ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp)); if (bp->port.supported[cfg_idx] & SUPPORTED_TP) cmd->port = PORT_TP; @@ -206,10 +207,11 @@ static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) cmd->maxrxpkt = 0; DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" - DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" + DP_LEVEL " supported 0x%x advertising 0x%x speed %u\n" DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", - cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, + cmd->cmd, cmd->supported, cmd->advertising, + ethtool_cmd_speed(cmd), cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); @@ -226,16 +228,15 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) return 0; DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" - " supported 0x%x advertising 0x%x speed %d speed_hi %d\n" + " supported 0x%x advertising 0x%x speed %u\n" " duplex %d port %d phy_address %d transceiver %d\n" " autoneg %d maxtxpkt %d maxrxpkt %d\n", - cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, - cmd->speed_hi, + cmd->cmd, cmd->supported, cmd->advertising, + ethtool_cmd_speed(cmd), cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); - speed = cmd->speed; - speed |= (cmd->speed_hi << 16); + speed = ethtool_cmd_speed(cmd); if (IS_MF_SI(bp)) { u32 part; @@ -439,7 +440,7 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) break; default: - DP(NETIF_MSG_LINK, "Unsupported speed %d\n", speed); + DP(NETIF_MSG_LINK, "Unsupported speed %u\n", speed); return -EINVAL; } @@ -1219,7 +1220,8 @@ static int bnx2x_set_ringparam(struct net_device *dev, } if ((ering->rx_pending > MAX_RX_AVAIL) || - (ering->rx_pending < MIN_RX_AVAIL) || + (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA : + MIN_RX_SIZE_TPA)) || (ering->tx_pending > MAX_TX_AVAIL) || (ering->tx_pending <= MAX_SKB_FRAGS + 4)) return -EINVAL; @@ -1299,91 +1301,6 @@ static int bnx2x_set_pauseparam(struct net_device *dev, return 0; } -static int bnx2x_set_flags(struct net_device *dev, u32 data) -{ - struct bnx2x *bp = netdev_priv(dev); - int changed = 0; - int rc = 0; - - if (bp->recovery_state != BNX2X_RECOVERY_DONE) { - printk(KERN_ERR "Handling parity error recovery. Try again later\n"); - return -EAGAIN; - } - - if (!(data & ETH_FLAG_RXVLAN)) - return -EINVAL; - - if ((data & ETH_FLAG_LRO) && bp->rx_csum && bp->disable_tpa) - return -EINVAL; - - rc = ethtool_op_set_flags(dev, data, ETH_FLAG_LRO | ETH_FLAG_RXVLAN | - ETH_FLAG_TXVLAN | ETH_FLAG_RXHASH); - if (rc) - return rc; - - /* TPA requires Rx CSUM offloading */ - if ((data & ETH_FLAG_LRO) && bp->rx_csum) { - if (!(bp->flags & TPA_ENABLE_FLAG)) { - bp->flags |= TPA_ENABLE_FLAG; - changed = 1; - } - } else if (bp->flags & TPA_ENABLE_FLAG) { - dev->features &= ~NETIF_F_LRO; - bp->flags &= ~TPA_ENABLE_FLAG; - changed = 1; - } - - if (changed && netif_running(dev)) { - bnx2x_nic_unload(bp, UNLOAD_NORMAL); - rc = bnx2x_nic_load(bp, LOAD_NORMAL); - } - - return rc; -} - -static u32 bnx2x_get_rx_csum(struct net_device *dev) -{ - struct bnx2x *bp = netdev_priv(dev); - - return bp->rx_csum; -} - -static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) -{ - struct bnx2x *bp = netdev_priv(dev); - int rc = 0; - - if (bp->recovery_state != BNX2X_RECOVERY_DONE) { - printk(KERN_ERR "Handling parity error recovery. Try again later\n"); - return -EAGAIN; - } - - bp->rx_csum = data; - - /* Disable TPA, when Rx CSUM is disabled. Otherwise all - TPA'ed packets will be discarded due to wrong TCP CSUM */ - if (!data) { - u32 flags = ethtool_op_get_flags(dev); - - rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO)); - } - - return rc; -} - -static int bnx2x_set_tso(struct net_device *dev, u32 data) -{ - if (data) { - dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); - dev->features |= NETIF_F_TSO6; - } else { - dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); - dev->features &= ~NETIF_F_TSO6; - } - - return 0; -} - static const struct { char string[ETH_GSTRING_LEN]; } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { @@ -2097,36 +2014,37 @@ static void bnx2x_get_ethtool_stats(struct net_device *dev, } } -static int bnx2x_phys_id(struct net_device *dev, u32 data) +static int bnx2x_set_phys_id(struct net_device *dev, + enum ethtool_phys_id_state state) { struct bnx2x *bp = netdev_priv(dev); - int i; if (!netif_running(dev)) - return 0; + return -EAGAIN; if (!bp->port.pmf) - return 0; + return -EOPNOTSUPP; - if (data == 0) - data = 2; + switch (state) { + case ETHTOOL_ID_ACTIVE: + return 1; /* cycle on/off once per second */ - for (i = 0; i < (data * 2); i++) { - if ((i % 2) == 0) - bnx2x_set_led(&bp->link_params, &bp->link_vars, - LED_MODE_OPER, SPEED_1000); - else - bnx2x_set_led(&bp->link_params, &bp->link_vars, - LED_MODE_OFF, 0); + case ETHTOOL_ID_ON: + bnx2x_set_led(&bp->link_params, &bp->link_vars, + LED_MODE_ON, SPEED_1000); + break; - msleep_interruptible(500); - if (signal_pending(current)) - break; - } + case ETHTOOL_ID_OFF: + bnx2x_set_led(&bp->link_params, &bp->link_vars, + LED_MODE_FRONT_PANEL_OFF, 0); + + break; - if (bp->link_vars.link_up) - bnx2x_set_led(&bp->link_params, &bp->link_vars, LED_MODE_OPER, + case ETHTOOL_ID_INACTIVE: + bnx2x_set_led(&bp->link_params, &bp->link_vars, + LED_MODE_OPER, bp->link_vars.line_speed); + } return 0; } @@ -2205,20 +2123,10 @@ static const struct ethtool_ops bnx2x_ethtool_ops = { .set_ringparam = bnx2x_set_ringparam, .get_pauseparam = bnx2x_get_pauseparam, .set_pauseparam = bnx2x_set_pauseparam, - .get_rx_csum = bnx2x_get_rx_csum, - .set_rx_csum = bnx2x_set_rx_csum, - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = ethtool_op_set_tx_hw_csum, - .set_flags = bnx2x_set_flags, - .get_flags = ethtool_op_get_flags, - .get_sg = ethtool_op_get_sg, - .set_sg = ethtool_op_set_sg, - .get_tso = ethtool_op_get_tso, - .set_tso = bnx2x_set_tso, .self_test = bnx2x_self_test, .get_sset_count = bnx2x_get_sset_count, .get_strings = bnx2x_get_strings, - .phys_id = bnx2x_phys_id, + .set_phys_id = bnx2x_set_phys_id, .get_ethtool_stats = bnx2x_get_ethtool_stats, .get_rxnfc = bnx2x_get_rxnfc, .get_rxfh_indir = bnx2x_get_rxfh_indir, diff --git a/drivers/net/bnx2x/bnx2x_fw_defs.h b/drivers/net/bnx2x/bnx2x_fw_defs.h index f4e5b1ce8149..9fe367836a57 100644 --- a/drivers/net/bnx2x/bnx2x_fw_defs.h +++ b/drivers/net/bnx2x/bnx2x_fw_defs.h @@ -1,6 +1,6 @@ /* bnx2x_fw_defs.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_fw_file_hdr.h b/drivers/net/bnx2x/bnx2x_fw_file_hdr.h index f807262911e5..f4a07fbaed05 100644 --- a/drivers/net/bnx2x/bnx2x_fw_file_hdr.h +++ b/drivers/net/bnx2x/bnx2x_fw_file_hdr.h @@ -1,6 +1,6 @@ /* bnx2x_fw_file_hdr.h: FW binary file header structure. * - * Copyright (c) 2007-2009 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_hsi.h b/drivers/net/bnx2x/bnx2x_hsi.h index dac1bf9cbbfa..cdf19fe7c7f6 100644 --- a/drivers/net/bnx2x/bnx2x_hsi.h +++ b/drivers/net/bnx2x/bnx2x_hsi.h @@ -1,6 +1,6 @@ /* bnx2x_hsi.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -1929,7 +1929,7 @@ struct host_func_stats { #define BCM_5710_FW_MAJOR_VERSION 6 #define BCM_5710_FW_MINOR_VERSION 2 -#define BCM_5710_FW_REVISION_VERSION 5 +#define BCM_5710_FW_REVISION_VERSION 9 #define BCM_5710_FW_ENGINEERING_VERSION 0 #define BCM_5710_FW_COMPILE_FLAGS 1 diff --git a/drivers/net/bnx2x/bnx2x_init.h b/drivers/net/bnx2x/bnx2x_init.h index fa6dbe3f2058..d5399206f66e 100644 --- a/drivers/net/bnx2x/bnx2x_init.h +++ b/drivers/net/bnx2x/bnx2x_init.h @@ -1,7 +1,7 @@ /* bnx2x_init.h: Broadcom Everest network driver. * Structures and macroes needed during the initialization. * - * Copyright (c) 2007-2009 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_init_ops.h b/drivers/net/bnx2x/bnx2x_init_ops.h index 66df29fcf751..aafd0232393f 100644 --- a/drivers/net/bnx2x/bnx2x_init_ops.h +++ b/drivers/net/bnx2x/bnx2x_init_ops.h @@ -2,7 +2,7 @@ * Static functions needed during the initialization. * This file is "included" in bnx2x_main.c. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index 974ef2be36a5..076e11f5769f 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -385,7 +385,7 @@ u8 bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos) return 0; } /******************************************************************/ -/* ETS section */ +/* PFC section */ /******************************************************************/ static void bnx2x_bmac2_get_pfc_stat(struct link_params *params, @@ -1301,14 +1301,12 @@ static u8 bnx2x_pbf_update(struct link_params *params, u32 flow_ctrl, return 0; } -/* - * get_emac_base - * - * @param cb - * @param mdc_mdio_access - * @param port +/** + * bnx2x_get_emac_base - retrive emac base address * - * @return u32 + * @bp: driver handle + * @mdc_mdio_access: access type + * @port: port id * * This function selects the MDC/MDIO access (through emac0 or * emac1) depend on the mdc_mdio_access, port, port swapped. Each diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index a97a4a1c344f..a97d9be331d1 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -1,6 +1,6 @@ /* bnx2x_main.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -571,7 +571,7 @@ static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae) { u32 *wb_comp = bnx2x_sp(bp, wb_comp); - int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40; + int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000; int rc = 0; DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n", @@ -2036,7 +2036,7 @@ static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp) return CMNG_FNS_NONE; } -static void bnx2x_read_mf_cfg(struct bnx2x *bp) +void bnx2x_read_mf_cfg(struct bnx2x *bp) { int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1); @@ -2123,7 +2123,6 @@ static inline void bnx2x_link_sync_notify(struct bnx2x *bp) /* This function is called upon link interrupt */ static void bnx2x_link_attn(struct bnx2x *bp) { - u32 prev_link_status = bp->link_vars.link_status; /* Make sure that we are synced with the current statistics */ bnx2x_stats_handle(bp, STATS_EVENT_STOP); @@ -2168,17 +2167,15 @@ static void bnx2x_link_attn(struct bnx2x *bp) "single function mode without fairness\n"); } + __bnx2x_link_report(bp); + if (IS_MF(bp)) bnx2x_link_sync_notify(bp); - - /* indicate link status only if link status actually changed */ - if (prev_link_status != bp->link_vars.link_status) - bnx2x_link_report(bp); } void bnx2x__link_status_update(struct bnx2x *bp) { - if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS)) + if (bp->state != BNX2X_STATE_OPEN) return; bnx2x_link_status_update(&bp->link_params, &bp->link_vars); @@ -2188,10 +2185,6 @@ void bnx2x__link_status_update(struct bnx2x *bp) else bnx2x_stats_handle(bp, STATS_EVENT_STOP); - /* the link status update could be the result of a DCC event - hence re-read the shmem mf configuration */ - bnx2x_read_mf_cfg(bp); - /* indicate link status */ bnx2x_link_report(bp); } @@ -3120,10 +3113,14 @@ static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) if (val & DRV_STATUS_SET_MF_BW) bnx2x_set_mf_bw(bp); - bnx2x__link_status_update(bp); if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF)) bnx2x_pmf_update(bp); + /* Always call it here: bnx2x_link_report() will + * prevent the link indication duplication. + */ + bnx2x__link_status_update(bp); + if (bp->port.pmf && (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) && bp->dcbx_enabled > 0) @@ -3669,7 +3666,8 @@ static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid, union event_ring_elem *elem) { if (!bp->cnic_eth_dev.starting_cid || - cid < bp->cnic_eth_dev.starting_cid) + (cid < bp->cnic_eth_dev.starting_cid && + cid != bp->cnic_eth_dev.iscsi_l2_cid)) return 1; DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid); @@ -3904,10 +3902,9 @@ static void bnx2x_timer(unsigned long data) if (poll) { struct bnx2x_fastpath *fp = &bp->fp[0]; - int rc; bnx2x_tx_int(fp); - rc = bnx2x_rx_int(fp, 1000); + bnx2x_rx_int(fp, 1000); } if (!BP_NOMCP(bp)) { @@ -4062,7 +4059,6 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, struct hc_status_block_data_e2 sb_data_e2; struct hc_status_block_data_e1x sb_data_e1x; struct hc_status_block_sm *hc_sm_p; - struct hc_index_data *hc_index_p; int data_size; u32 *sb_data_p; @@ -4083,7 +4079,6 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping); sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping); hc_sm_p = sb_data_e2.common.state_machine; - hc_index_p = sb_data_e2.index_data; sb_data_p = (u32 *)&sb_data_e2; data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32); } else { @@ -4097,7 +4092,6 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping); sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping); hc_sm_p = sb_data_e1x.common.state_machine; - hc_index_p = sb_data_e1x.index_data; sb_data_p = (u32 *)&sb_data_e1x; data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32); } @@ -4454,7 +4448,7 @@ static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx) fp->state = BNX2X_FP_STATE_CLOSED; - fp->index = fp->cid = fp_idx; + fp->cid = fp_idx; fp->cl_id = BP_L_ID(bp) + fp_idx; fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE; fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE; @@ -4566,9 +4560,11 @@ gunzip_nomem1: static void bnx2x_gunzip_end(struct bnx2x *bp) { - kfree(bp->strm->workspace); - kfree(bp->strm); - bp->strm = NULL; + if (bp->strm) { + kfree(bp->strm->workspace); + kfree(bp->strm); + bp->strm = NULL; + } if (bp->gunzip_buf) { dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf, @@ -5876,9 +5872,6 @@ int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) bp->dmae_ready = 0; spin_lock_init(&bp->dmae_lock); - rc = bnx2x_gunzip_init(bp); - if (rc) - return rc; switch (load_code) { case FW_MSG_CODE_DRV_LOAD_COMMON: @@ -5922,80 +5915,10 @@ init_hw_err: void bnx2x_free_mem(struct bnx2x *bp) { - -#define BNX2X_PCI_FREE(x, y, size) \ - do { \ - if (x) { \ - dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \ - x = NULL; \ - y = 0; \ - } \ - } while (0) - -#define BNX2X_FREE(x) \ - do { \ - if (x) { \ - kfree((void *)x); \ - x = NULL; \ - } \ - } while (0) - - int i; + bnx2x_gunzip_end(bp); /* fastpath */ - /* Common */ - for_each_queue(bp, i) { -#ifdef BCM_CNIC - /* FCoE client uses default status block */ - if (IS_FCOE_IDX(i)) { - union host_hc_status_block *sb = - &bnx2x_fp(bp, i, status_blk); - memset(sb, 0, sizeof(union host_hc_status_block)); - bnx2x_fp(bp, i, status_blk_mapping) = 0; - } else { -#endif - /* status blocks */ - if (CHIP_IS_E2(bp)) - BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb), - bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_hc_status_block_e2)); - else - BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb), - bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_hc_status_block_e1x)); -#ifdef BCM_CNIC - } -#endif - } - /* Rx */ - for_each_rx_queue(bp, i) { - - /* fastpath rx rings: rx_buf rx_desc rx_comp */ - BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), - bnx2x_fp(bp, i, rx_desc_mapping), - sizeof(struct eth_rx_bd) * NUM_RX_BD); - - BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), - bnx2x_fp(bp, i, rx_comp_mapping), - sizeof(struct eth_fast_path_rx_cqe) * - NUM_RCQ_BD); - - /* SGE ring */ - BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring), - bnx2x_fp(bp, i, rx_sge_mapping), - BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); - } - /* Tx */ - for_each_tx_queue(bp, i) { - - /* fastpath tx rings: tx_buf tx_desc */ - BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); - BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), - bnx2x_fp(bp, i, tx_desc_mapping), - sizeof(union eth_tx_bd_types) * NUM_TX_BD); - } + bnx2x_free_fp_mem(bp); /* end of fastpath */ BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, @@ -6028,101 +5951,13 @@ void bnx2x_free_mem(struct bnx2x *bp) BCM_PAGE_SIZE * NUM_EQ_PAGES); BNX2X_FREE(bp->rx_indir_table); - -#undef BNX2X_PCI_FREE -#undef BNX2X_KFREE } -static inline void set_sb_shortcuts(struct bnx2x *bp, int index) -{ - union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk); - if (CHIP_IS_E2(bp)) { - bnx2x_fp(bp, index, sb_index_values) = - (__le16 *)status_blk.e2_sb->sb.index_values; - bnx2x_fp(bp, index, sb_running_index) = - (__le16 *)status_blk.e2_sb->sb.running_index; - } else { - bnx2x_fp(bp, index, sb_index_values) = - (__le16 *)status_blk.e1x_sb->sb.index_values; - bnx2x_fp(bp, index, sb_running_index) = - (__le16 *)status_blk.e1x_sb->sb.running_index; - } -} int bnx2x_alloc_mem(struct bnx2x *bp) { -#define BNX2X_PCI_ALLOC(x, y, size) \ - do { \ - x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \ - if (x == NULL) \ - goto alloc_mem_err; \ - memset(x, 0, size); \ - } while (0) - -#define BNX2X_ALLOC(x, size) \ - do { \ - x = kzalloc(size, GFP_KERNEL); \ - if (x == NULL) \ - goto alloc_mem_err; \ - } while (0) - - int i; - - /* fastpath */ - /* Common */ - for_each_queue(bp, i) { - union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk); - bnx2x_fp(bp, i, bp) = bp; - /* status blocks */ -#ifdef BCM_CNIC - if (!IS_FCOE_IDX(i)) { -#endif - if (CHIP_IS_E2(bp)) - BNX2X_PCI_ALLOC(sb->e2_sb, - &bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_hc_status_block_e2)); - else - BNX2X_PCI_ALLOC(sb->e1x_sb, - &bnx2x_fp(bp, i, status_blk_mapping), - sizeof(struct host_hc_status_block_e1x)); -#ifdef BCM_CNIC - } -#endif - set_sb_shortcuts(bp, i); - } - /* Rx */ - for_each_queue(bp, i) { - - /* fastpath rx rings: rx_buf rx_desc rx_comp */ - BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), - sizeof(struct sw_rx_bd) * NUM_RX_BD); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), - &bnx2x_fp(bp, i, rx_desc_mapping), - sizeof(struct eth_rx_bd) * NUM_RX_BD); - - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), - &bnx2x_fp(bp, i, rx_comp_mapping), - sizeof(struct eth_fast_path_rx_cqe) * - NUM_RCQ_BD); - - /* SGE ring */ - BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring), - sizeof(struct sw_rx_page) * NUM_RX_SGE); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring), - &bnx2x_fp(bp, i, rx_sge_mapping), - BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); - } - /* Tx */ - for_each_queue(bp, i) { - - /* fastpath tx rings: tx_buf tx_desc */ - BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), - sizeof(struct sw_tx_bd) * NUM_TX_BD); - BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), - &bnx2x_fp(bp, i, tx_desc_mapping), - sizeof(union eth_tx_bd_types) * NUM_TX_BD); - } - /* end of fastpath */ + if (bnx2x_gunzip_init(bp)) + return -ENOMEM; #ifdef BCM_CNIC if (CHIP_IS_E2(bp)) @@ -6162,14 +5997,18 @@ int bnx2x_alloc_mem(struct bnx2x *bp) BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) * TSTORM_INDIRECTION_TABLE_SIZE); + + /* fastpath */ + /* need to be done at the end, since it's self adjusting to amount + * of memory available for RSS queues + */ + if (bnx2x_alloc_fp_mem(bp)) + goto alloc_mem_err; return 0; alloc_mem_err: bnx2x_free_mem(bp); return -ENOMEM; - -#undef BNX2X_PCI_ALLOC -#undef BNX2X_ALLOC } /* @@ -6197,14 +6036,14 @@ static int bnx2x_func_stop(struct bnx2x *bp) } /** - * Sets a MAC in a CAM for a few L2 Clients for E1x chips + * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips * - * @param bp driver descriptor - * @param set set or clear an entry (1 or 0) - * @param mac pointer to a buffer containing a MAC - * @param cl_bit_vec bit vector of clients to register a MAC for - * @param cam_offset offset in a CAM to use - * @param is_bcast is the set MAC a broadcast address (for E1 only) + * @bp: driver handle + * @set: set or clear an entry (1 or 0) + * @mac: pointer to a buffer containing a MAC + * @cl_bit_vec: bit vector of clients to register a MAC for + * @cam_offset: offset in a CAM to use + * @is_bcast: is the set MAC a broadcast address (for E1 only) */ static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac, u32 cl_bit_vec, u8 cam_offset, @@ -6564,14 +6403,13 @@ void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp) #ifdef BCM_CNIC /** - * Set iSCSI MAC(s) at the next enties in the CAM after the ETH - * MAC(s). This function will wait until the ramdord completion - * returns. + * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s). * - * @param bp driver handle - * @param set set or clear the CAM entry + * @bp: driver handle + * @set: set or clear the CAM entry * - * @return 0 if cussess, -ENODEV if ramrod doesn't return. + * This function will wait until the ramdord completion returns. + * Return 0 if success, -ENODEV if ramrod doesn't return. */ static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set) { @@ -6592,14 +6430,13 @@ static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set) } /** - * Set FCoE L2 MAC(s) at the next enties in the CAM after the - * ETH MAC(s). This function will wait until the ramdord - * completion returns. + * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s) * - * @param bp driver handle - * @param set set or clear the CAM entry + * @bp: driver handle + * @set: set or clear the CAM entry * - * @return 0 if cussess, -ENODEV if ramrod doesn't return. + * This function will wait until the ramrod completion returns. + * Returns 0 if success, -ENODEV if ramrod doesn't return. */ int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set) { @@ -6803,12 +6640,11 @@ static int bnx2x_setup_fw_client(struct bnx2x *bp, } /** - * Configure interrupt mode according to current configuration. - * In case of MSI-X it will also try to enable MSI-X. + * bnx2x_set_int_mode - configure interrupt mode * - * @param bp + * @bp: driver handle * - * @return int + * In case of MSI-X it will also try to enable MSI-X. */ static int __devinit bnx2x_set_int_mode(struct bnx2x *bp) { @@ -7392,10 +7228,11 @@ static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val) MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC); } -/* Restore the value of the `magic' bit. +/** + * bnx2x_clp_reset_done - restore the value of the `magic' bit. * - * @param pdev Device handle. - * @param magic_val Old value of the `magic' bit. + * @bp: driver handle + * @magic_val: old value of the `magic' bit. */ static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val) { @@ -7406,10 +7243,12 @@ static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val) } /** - * Prepares for MCP reset: takes care of CLP configurations. + * bnx2x_reset_mcp_prep - prepare for MCP reset. * - * @param bp - * @param magic_val Old value of 'magic' bit. + * @bp: driver handle + * @magic_val: old value of 'magic' bit. + * + * Takes care of CLP configurations. */ static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val) { @@ -7434,10 +7273,10 @@ static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val) #define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */ #define MCP_ONE_TIMEOUT 100 /* 100 ms */ -/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10, - * depending on the HW type. +/** + * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT * - * @param bp + * @bp: driver handle */ static inline void bnx2x_mcp_wait_one(struct bnx2x *bp) { @@ -7449,51 +7288,35 @@ static inline void bnx2x_mcp_wait_one(struct bnx2x *bp) msleep(MCP_ONE_TIMEOUT); } -static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val) +/* + * initializes bp->common.shmem_base and waits for validity signature to appear + */ +static int bnx2x_init_shmem(struct bnx2x *bp) { - u32 shmem, cnt, validity_offset, val; - int rc = 0; - - msleep(100); - - /* Get shmem offset */ - shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); - if (shmem == 0) { - BNX2X_ERR("Shmem 0 return failure\n"); - rc = -ENOTTY; - goto exit_lbl; - } + int cnt = 0; + u32 val = 0; - validity_offset = offsetof(struct shmem_region, validity_map[0]); + do { + bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); + if (bp->common.shmem_base) { + val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); + if (val & SHR_MEM_VALIDITY_MB) + return 0; + } - /* Wait for MCP to come up */ - for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) { - /* TBD: its best to check validity map of last port. - * currently checks on port 0. - */ - val = REG_RD(bp, shmem + validity_offset); - DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem, - shmem + validity_offset, val); + bnx2x_mcp_wait_one(bp); - /* check that shared memory is valid. */ - if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - break; + } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT)); - bnx2x_mcp_wait_one(bp); - } + BNX2X_ERR("BAD MCP validity signature\n"); - DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val); + return -ENODEV; +} - /* Check that shared memory is valid. This indicates that MCP is up. */ - if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) != - (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) { - BNX2X_ERR("Shmem signature not present. MCP is not up !!\n"); - rc = -ENOTTY; - goto exit_lbl; - } +static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val) +{ + int rc = bnx2x_init_shmem(bp); -exit_lbl: /* Restore the `magic' bit value */ if (!CHIP_IS_E1(bp)) bnx2x_clp_reset_done(bp, magic_val); @@ -8006,10 +7829,12 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", bp->common.flash_size, bp->common.flash_size); - bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); + bnx2x_init_shmem(bp); + bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ? MISC_REG_GENERIC_CR_1 : MISC_REG_GENERIC_CR_0)); + bp->link_params.shmem_base = bp->common.shmem_base; bp->link_params.shmem2_base = bp->common.shmem2_base; BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n", @@ -8021,11 +7846,6 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) return; } - val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); - if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) - BNX2X_ERR("BAD MCP validity signature\n"); - bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config); @@ -8059,13 +7879,9 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ? FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0; - if (BP_E1HVN(bp) == 0) { - pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); - bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; - } else { - /* no WOL capability for E1HVN != 0 */ - bp->flags |= NO_WOL_FLAG; - } + pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); + bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; + BNX2X_DEV_INFO("%sWoL capable\n", (bp->flags & NO_WOL_FLAG) ? "not " : ""); @@ -8571,15 +8387,6 @@ static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp) BNX2X_DEV_INFO("Read iSCSI MAC: " "0x%x:0x%04x\n", val2, val); bnx2x_set_mac_buf(iscsi_mac, val, val2); - - /* Disable iSCSI OOO if MAC configuration is - * invalid. - */ - if (!is_valid_ether_addr(iscsi_mac)) { - bp->flags |= NO_ISCSI_OOO_FLAG | - NO_ISCSI_FLAG; - memset(iscsi_mac, 0, ETH_ALEN); - } } else bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG; @@ -8592,13 +8399,6 @@ static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp) "0x%x:0x%04x\n", val2, val); bnx2x_set_mac_buf(fip_mac, val, val2); - /* Disable FCoE if MAC configuration is - * invalid. - */ - if (!is_valid_ether_addr(fip_mac)) { - bp->flags |= NO_FCOE_FLAG; - memset(bp->fip_mac, 0, ETH_ALEN); - } } else bp->flags |= NO_FCOE_FLAG; } @@ -8629,13 +8429,29 @@ static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp) else if (!IS_MF(bp)) memcpy(fip_mac, iscsi_mac, ETH_ALEN); } + + /* Disable iSCSI if MAC configuration is + * invalid. + */ + if (!is_valid_ether_addr(iscsi_mac)) { + bp->flags |= NO_ISCSI_FLAG; + memset(iscsi_mac, 0, ETH_ALEN); + } + + /* Disable FCoE if MAC configuration is + * invalid. + */ + if (!is_valid_ether_addr(fip_mac)) { + bp->flags |= NO_FCOE_FLAG; + memset(bp->fip_mac, 0, ETH_ALEN); + } #endif } static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) { int /*abs*/func = BP_ABS_FUNC(bp); - int vn, port; + int vn; u32 val = 0; int rc = 0; @@ -8670,7 +8486,6 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bp->mf_ov = 0; bp->mf_mode = 0; vn = BP_E1HVN(bp); - port = BP_PORT(bp); if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) { DP(NETIF_MSG_PROBE, @@ -8904,8 +8719,6 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) bp->multi_mode = multi_mode; bp->int_mode = int_mode; - bp->dev->features |= NETIF_F_GRO; - /* Set TPA flags */ if (disable_tpa) { bp->flags &= ~TPA_ENABLE_FLAG; @@ -8925,8 +8738,6 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) bp->tx_ring_size = MAX_TX_AVAIL; - bp->rx_csum = 1; - /* make sure that the numbers are in the right granularity */ bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR; bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR; @@ -9304,6 +9115,8 @@ static const struct net_device_ops bnx2x_netdev_ops = { .ndo_validate_addr = eth_validate_addr, .ndo_do_ioctl = bnx2x_ioctl, .ndo_change_mtu = bnx2x_change_mtu, + .ndo_fix_features = bnx2x_fix_features, + .ndo_set_features = bnx2x_set_features, .ndo_tx_timeout = bnx2x_tx_timeout, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = poll_bnx2x, @@ -9430,20 +9243,20 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev, dev->netdev_ops = &bnx2x_netdev_ops; bnx2x_set_ethtool_ops(dev); - dev->features |= NETIF_F_SG; - dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + + dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | + NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX; + + dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | + NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA; + + dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX; if (bp->flags & USING_DAC_FLAG) dev->features |= NETIF_F_HIGHDMA; - dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); - dev->features |= NETIF_F_TSO6; - dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - dev->vlan_features |= NETIF_F_SG; - dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - if (bp->flags & USING_DAC_FLAG) - dev->vlan_features |= NETIF_F_HIGHDMA; - dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); - dev->vlan_features |= NETIF_F_TSO6; + /* Add Loopback capability to the device */ + dev->hw_features |= NETIF_F_LOOPBACK; #ifdef BCM_DCBNL dev->dcbnl_ops = &bnx2x_dcbnl_ops; @@ -10342,6 +10155,11 @@ static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl) break; } + case DRV_CTL_ISCSI_STOPPED_CMD: { + bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED); + break; + } + default: BNX2X_ERR("unknown command %x\n", ctl->cmd); rc = -EINVAL; diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index 1509a2318af9..86bba25d2d3f 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -1,6 +1,6 @@ /* bnx2x_reg.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c index 3445ded6674f..e535bfa08945 100644 --- a/drivers/net/bnx2x/bnx2x_stats.c +++ b/drivers/net/bnx2x/bnx2x_stats.c @@ -1,6 +1,6 @@ /* bnx2x_stats.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/bnx2x/bnx2x_stats.h b/drivers/net/bnx2x/bnx2x_stats.h index 596798c47452..45d14d8bc1aa 100644 --- a/drivers/net/bnx2x/bnx2x_stats.h +++ b/drivers/net/bnx2x/bnx2x_stats.h @@ -1,6 +1,6 @@ /* bnx2x_stats.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2010 Broadcom Corporation + * Copyright (c) 2007-2011 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by |