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path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c176
1 files changed, 97 insertions, 79 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index ecb1bd7eb508..e59530357e2c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -25,6 +25,7 @@
#include <linux/ip.h>
#include <linux/crash_dump.h>
#include <net/tcp.h>
+#include <net/gro.h>
#include <net/ipv6.h>
#include <net/ip6_checksum.h>
#include <linux/prefetch.h>
@@ -43,8 +44,7 @@ static void bnx2x_add_all_napi_cnic(struct bnx2x *bp)
/* Add NAPI objects */
for_each_rx_queue_cnic(bp, i) {
- netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
- bnx2x_poll, NAPI_POLL_WEIGHT);
+ netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), bnx2x_poll);
}
}
@@ -54,8 +54,7 @@ static void bnx2x_add_all_napi(struct bnx2x *bp)
/* Add NAPI objects */
for_each_eth_queue(bp, i) {
- netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
- bnx2x_poll, NAPI_POLL_WEIGHT);
+ netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), bnx2x_poll);
}
}
@@ -148,10 +147,11 @@ void bnx2x_fill_fw_str(struct bnx2x *bp, char *buf, size_t buf_len)
phy_fw_ver[0] = '\0';
bnx2x_get_ext_phy_fw_version(&bp->link_params,
- phy_fw_ver, PHY_FW_VER_LEN);
- strlcpy(buf, bp->fw_ver, buf_len);
- snprintf(buf + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
- "bc %d.%d.%d%s%s",
+ phy_fw_ver, sizeof(phy_fw_ver));
+ /* This may become truncated. */
+ scnprintf(buf, buf_len,
+ "%sbc %d.%d.%d%s%s",
+ bp->fw_ver,
(bp->common.bc_ver & 0xff0000) >> 16,
(bp->common.bc_ver & 0xff00) >> 8,
(bp->common.bc_ver & 0xff),
@@ -285,6 +285,9 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
sw_cons = txdata->tx_pkt_cons;
+ /* Ensure subsequent loads occur after hw_cons */
+ smp_rmb();
+
while (sw_cons != hw_cons) {
u16 pkt_cons;
@@ -501,6 +504,7 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
* @len_on_bd: total length of the first packet for the
* aggregation.
* @pkt_len: length of all segments
+ * @num_of_coalesced_segs: count of segments
*
* Approximate value of the MSS for this aggregation calculated using
* the first packet of it.
@@ -669,6 +673,18 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
return 0;
}
+static struct sk_buff *
+bnx2x_build_skb(const struct bnx2x_fastpath *fp, void *data)
+{
+ struct sk_buff *skb;
+
+ if (fp->rx_frag_size)
+ skb = build_skb(data, fp->rx_frag_size);
+ else
+ skb = slab_build_skb(data);
+ return skb;
+}
+
static void bnx2x_frag_free(const struct bnx2x_fastpath *fp, void *data)
{
if (fp->rx_frag_size)
@@ -684,7 +700,7 @@ static void *bnx2x_frag_alloc(const struct bnx2x_fastpath *fp, gfp_t gfp_mask)
if (unlikely(gfpflags_allow_blocking(gfp_mask)))
return (void *)__get_free_page(gfp_mask);
- return netdev_alloc_frag(fp->rx_frag_size);
+ return napi_alloc_frag(fp->rx_frag_size);
}
return kmalloc(fp->rx_buf_size + NET_SKB_PAD, gfp_mask);
@@ -776,7 +792,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping),
fp->rx_buf_size, DMA_FROM_DEVICE);
if (likely(new_data))
- skb = build_skb(data, fp->rx_frag_size);
+ skb = bnx2x_build_skb(fp, data);
if (likely(skb)) {
#ifdef BNX2X_STOP_ON_ERROR
@@ -784,6 +800,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
BNX2X_ERR("skb_put is about to fail... pad %d len %d rx_buf_size %d\n",
pad, len, fp->rx_buf_size);
bnx2x_panic();
+ bnx2x_frag_free(fp, new_data);
return;
}
#endif
@@ -1042,7 +1059,7 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
dma_unmap_addr(rx_buf, mapping),
fp->rx_buf_size,
DMA_FROM_DEVICE);
- skb = build_skb(data, fp->rx_frag_size);
+ skb = bnx2x_build_skb(fp, data);
if (unlikely(!skb)) {
bnx2x_frag_free(fp, data);
bnx2x_fp_qstats(bp, fp)->
@@ -1909,8 +1926,7 @@ void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw)
}
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
- struct net_device *sb_dev,
- select_queue_fallback_t fallback)
+ struct net_device *sb_dev)
{
struct bnx2x *bp = netdev_priv(dev);
@@ -1920,8 +1936,7 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
/* Skip VLAN tag if present */
if (ether_type == ETH_P_8021Q) {
- struct vlan_ethhdr *vhdr =
- (struct vlan_ethhdr *)skb->data;
+ struct vlan_ethhdr *vhdr = skb_vlan_eth_hdr(skb);
ether_type = ntohs(vhdr->h_vlan_encapsulated_proto);
}
@@ -1932,8 +1947,8 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb,
}
/* select a non-FCoE queue */
- return fallback(dev, skb, NULL) %
- (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
+ return netdev_pick_tx(dev, skb, NULL) %
+ (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos);
}
void bnx2x_set_num_queues(struct bnx2x *bp)
@@ -1956,6 +1971,7 @@ void bnx2x_set_num_queues(struct bnx2x *bp)
* bnx2x_set_real_num_queues - configure netdev->real_num_[tx,rx]_queues
*
* @bp: Driver handle
+ * @include_cnic: handle cnic case
*
* We currently support for at most 16 Tx queues for each CoS thus we will
* allocate a multiple of 16 for ETH L2 rings according to the value of the
@@ -2359,26 +2375,30 @@ int bnx2x_compare_fw_ver(struct bnx2x *bp, u32 load_code, bool print_err)
/* is another pf loaded on this engine? */
if (load_code != FW_MSG_CODE_DRV_LOAD_COMMON_CHIP &&
load_code != FW_MSG_CODE_DRV_LOAD_COMMON) {
- /* build my FW version dword */
- u32 my_fw = (BCM_5710_FW_MAJOR_VERSION) +
- (BCM_5710_FW_MINOR_VERSION << 8) +
- (BCM_5710_FW_REVISION_VERSION << 16) +
- (BCM_5710_FW_ENGINEERING_VERSION << 24);
+ u8 loaded_fw_major, loaded_fw_minor, loaded_fw_rev, loaded_fw_eng;
+ u32 loaded_fw;
/* read loaded FW from chip */
- u32 loaded_fw = REG_RD(bp, XSEM_REG_PRAM);
+ loaded_fw = REG_RD(bp, XSEM_REG_PRAM);
- DP(BNX2X_MSG_SP, "loaded fw %x, my fw %x\n",
- loaded_fw, my_fw);
+ loaded_fw_major = loaded_fw & 0xff;
+ loaded_fw_minor = (loaded_fw >> 8) & 0xff;
+ loaded_fw_rev = (loaded_fw >> 16) & 0xff;
+ loaded_fw_eng = (loaded_fw >> 24) & 0xff;
+
+ DP(BNX2X_MSG_SP, "loaded fw 0x%x major 0x%x minor 0x%x rev 0x%x eng 0x%x\n",
+ loaded_fw, loaded_fw_major, loaded_fw_minor, loaded_fw_rev, loaded_fw_eng);
/* abort nic load if version mismatch */
- if (my_fw != loaded_fw) {
+ if (loaded_fw_major != BCM_5710_FW_MAJOR_VERSION ||
+ loaded_fw_minor != BCM_5710_FW_MINOR_VERSION ||
+ loaded_fw_eng != BCM_5710_FW_ENGINEERING_VERSION ||
+ loaded_fw_rev < BCM_5710_FW_REVISION_VERSION_V15) {
if (print_err)
- BNX2X_ERR("bnx2x with FW %x was already loaded which mismatches my %x FW. Aborting\n",
- loaded_fw, my_fw);
+ BNX2X_ERR("loaded FW incompatible. Aborting\n");
else
- BNX2X_DEV_INFO("bnx2x with FW %x was already loaded which mismatches my %x FW, possibly due to MF UNDI\n",
- loaded_fw, my_fw);
+ BNX2X_DEV_INFO("loaded FW incompatible, possibly due to MF UNDI\n");
+
return -EBUSY;
}
}
@@ -2665,7 +2685,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
}
/* Allocated memory for FW statistics */
- if (bnx2x_alloc_fw_stats_mem(bp))
+ rc = bnx2x_alloc_fw_stats_mem(bp);
+ if (rc)
LOAD_ERROR_EXIT(bp, load_error0);
/* request pf to initialize status blocks */
@@ -2695,6 +2716,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
bnx2x_add_all_napi(bp);
DP(NETIF_MSG_IFUP, "napi added\n");
bnx2x_napi_enable(bp);
+ bp->nic_stopped = false;
if (IS_PF(bp)) {
/* set pf load just before approaching the MCP */
@@ -2940,6 +2962,7 @@ load_error2:
load_error1:
bnx2x_napi_disable(bp);
bnx2x_del_all_napi(bp);
+ bp->nic_stopped = true;
/* clear pf_load status, as it was already set */
if (IS_PF(bp))
@@ -3036,7 +3059,7 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
bp->rx_mode = BNX2X_RX_MODE_NONE;
- del_timer_sync(&bp->timer);
+ timer_delete_sync(&bp->timer);
if (IS_PF(bp) && !BP_NOMCP(bp)) {
/* Set ALWAYS_ALIVE bit in shmem */
@@ -3056,12 +3079,13 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
/* if VF indicate to PF this function is going down (PF will delete sp
* elements and clear initializations
*/
- if (IS_VF(bp))
+ if (IS_VF(bp)) {
+ bnx2x_clear_vlan_info(bp);
bnx2x_vfpf_close_vf(bp);
- else if (unload_mode != UNLOAD_RECOVERY)
+ } else if (unload_mode != UNLOAD_RECOVERY) {
/* if this is a normal/close unload need to clean up chip*/
bnx2x_chip_cleanup(bp, unload_mode, keep_link);
- else {
+ } else {
/* Send the UNLOAD_REQUEST to the MCP */
bnx2x_send_unload_req(bp, unload_mode);
@@ -3074,14 +3098,17 @@ int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode, bool keep_link)
if (!CHIP_IS_E1x(bp))
bnx2x_pf_disable(bp);
- /* Disable HW interrupts, NAPI */
- bnx2x_netif_stop(bp, 1);
- /* Delete all NAPI objects */
- bnx2x_del_all_napi(bp);
- if (CNIC_LOADED(bp))
- bnx2x_del_all_napi_cnic(bp);
- /* Release IRQs */
- bnx2x_free_irq(bp);
+ if (!bp->nic_stopped) {
+ /* Disable HW interrupts, NAPI */
+ bnx2x_netif_stop(bp, 1);
+ /* Delete all NAPI objects */
+ bnx2x_del_all_napi(bp);
+ if (CNIC_LOADED(bp))
+ bnx2x_del_all_napi_cnic(bp);
+ /* Release IRQs */
+ bnx2x_free_irq(bp);
+ bp->nic_stopped = true;
+ }
/* Report UNLOAD_DONE to MCP */
bnx2x_send_unload_done(bp, false);
@@ -3410,12 +3437,9 @@ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
/* Headers length */
if (xmit_type & XMIT_GSO_ENC)
- hlen = (int)(skb_inner_transport_header(skb) -
- skb->data) +
- inner_tcp_hdrlen(skb);
+ hlen = skb_inner_tcp_all_headers(skb);
else
- hlen = (int)(skb_transport_header(skb) -
- skb->data) + tcp_hdrlen(skb);
+ hlen = skb_tcp_all_headers(skb);
/* Amount of data (w/o headers) on linear part of SKB*/
first_bd_sz = skb_headlen(skb) - hlen;
@@ -3514,7 +3538,7 @@ static u8 bnx2x_set_pbd_csum_enc(struct bnx2x *bp, struct sk_buff *skb,
u32 *parsing_data, u32 xmit_type)
{
*parsing_data |=
- ((((u8 *)skb_inner_transport_header(skb) - skb->data) >> 1) <<
+ ((skb_inner_transport_offset(skb) >> 1) <<
ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) &
ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W;
@@ -3523,15 +3547,13 @@ static u8 bnx2x_set_pbd_csum_enc(struct bnx2x *bp, struct sk_buff *skb,
ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW_SHIFT) &
ETH_TX_PARSE_BD_E2_TCP_HDR_LENGTH_DW;
- return skb_inner_transport_header(skb) +
- inner_tcp_hdrlen(skb) - skb->data;
+ return skb_inner_tcp_all_headers(skb);
}
/* We support checksum offload for TCP and UDP only.
* No need to pass the UDP header length - it's a constant.
*/
- return skb_inner_transport_header(skb) +
- sizeof(struct udphdr) - skb->data;
+ return skb_inner_transport_offset(skb) + sizeof(struct udphdr);
}
/**
@@ -3548,7 +3570,7 @@ static u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb,
u32 *parsing_data, u32 xmit_type)
{
*parsing_data |=
- ((((u8 *)skb_transport_header(skb) - skb->data) >> 1) <<
+ ((skb_transport_offset(skb) >> 1) <<
ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W_SHIFT) &
ETH_TX_PARSE_BD_E2_L4_HDR_START_OFFSET_W;
@@ -3557,12 +3579,12 @@ static u8 bnx2x_set_pbd_csum_e2(struct bnx2x *bp, struct sk_buff *skb,
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_tcp_all_headers(skb);
}
/* 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;
+ return skb_transport_offset(skb) + sizeof(struct udphdr);
}
/* set FW indication according to inner or outer protocols if tunneled */
@@ -3591,7 +3613,7 @@ static 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) >> 1;
+ u8 hlen = skb_network_offset(skb) >> 1;
/* for now NS flag is not used in Linux */
pbd->global_data =
@@ -3599,8 +3621,7 @@ static u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb,
((skb->protocol == cpu_to_be16(ETH_P_8021Q)) <<
ETH_TX_PARSE_BD_E1X_LLC_SNAP_EN_SHIFT));
- pbd->ip_hlen_w = (skb_transport_header(skb) -
- skb_network_header(skb)) >> 1;
+ pbd->ip_hlen_w = skb_network_header_len(skb) >> 1;
hlen += pbd->ip_hlen_w;
@@ -3645,8 +3666,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
u8 outerip_off, outerip_len = 0;
/* from outer IP to transport */
- hlen_w = (skb_inner_transport_header(skb) -
- skb_network_header(skb)) >> 1;
+ hlen_w = skb_inner_transport_offset(skb) >> 1;
/* transport len */
hlen_w += inner_tcp_hdrlen(skb) >> 1;
@@ -3692,7 +3712,7 @@ static void bnx2x_update_pbds_gso_enc(struct sk_buff *skb,
0, IPPROTO_TCP, 0));
}
- outerip_off = (skb_network_header(skb) - skb->data) >> 1;
+ outerip_off = (skb_network_offset(skb)) >> 1;
*global_data |=
outerip_off |
@@ -3858,9 +3878,12 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
if (!(bp->flags & TX_TIMESTAMPING_EN)) {
+ bp->eth_stats.ptp_skip_tx_ts++;
BNX2X_ERR("Tx timestamping was not enabled, this packet will not be timestamped\n");
} else if (bp->ptp_tx_skb) {
- BNX2X_ERR("The device supports only a single outstanding packet to timestamp, this packet will not be timestamped\n");
+ bp->eth_stats.ptp_skip_tx_ts++;
+ netdev_err_once(bp->dev,
+ "Device supports only a single outstanding packet to timestamp, this packet won't be timestamped\n");
} else {
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
/* schedule check for Tx timestamp */
@@ -4166,8 +4189,6 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw);
- mmiowb();
-
txdata->tx_bd_prod += nbd;
if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_DESC_PER_TX_PKT)) {
@@ -4225,8 +4246,8 @@ void bnx2x_get_c2s_mapping(struct bnx2x *bp, u8 *c2s_map, u8 *c2s_default)
/**
* bnx2x_setup_tc - routine to configure net_device for multi tc
*
- * @netdev: net device to configure
- * @tc: number of traffic classes to enable
+ * @dev: net device to configure
+ * @num_tc: number of traffic classes to enable
*
* callback connected to the ndo_setup_tc function pointer
*/
@@ -4329,7 +4350,7 @@ int bnx2x_change_mac_addr(struct net_device *dev, void *p)
return rc;
}
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ eth_hw_addr_set(dev, addr->sa_data);
if (netif_running(dev))
rc = bnx2x_set_eth_mac(bp, true);
@@ -4881,7 +4902,7 @@ int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
* because the actual alloc size is
* only updated as part of load
*/
- dev->mtu = new_mtu;
+ WRITE_ONCE(dev->mtu, new_mtu);
if (!bnx2x_mtu_allows_gro(new_mtu))
dev->features &= ~NETIF_F_GRO_HW;
@@ -4966,7 +4987,7 @@ int bnx2x_set_features(struct net_device *dev, netdev_features_t features)
return 0;
}
-void bnx2x_tx_timeout(struct net_device *dev)
+void bnx2x_tx_timeout(struct net_device *dev, unsigned int txqueue)
{
struct bnx2x *bp = netdev_priv(dev);
@@ -4984,8 +5005,9 @@ void bnx2x_tx_timeout(struct net_device *dev)
bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_TX_TIMEOUT, 0);
}
-int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused bnx2x_suspend(struct device *dev_d)
{
+ struct pci_dev *pdev = to_pci_dev(dev_d);
struct net_device *dev = pci_get_drvdata(pdev);
struct bnx2x *bp;
@@ -4997,8 +5019,6 @@ int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
rtnl_lock();
- pci_save_state(pdev);
-
if (!netif_running(dev)) {
rtnl_unlock();
return 0;
@@ -5008,15 +5028,14 @@ int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
bnx2x_nic_unload(bp, UNLOAD_CLOSE, false);
- bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
-
rtnl_unlock();
return 0;
}
-int bnx2x_resume(struct pci_dev *pdev)
+static int __maybe_unused bnx2x_resume(struct device *dev_d)
{
+ struct pci_dev *pdev = to_pci_dev(dev_d);
struct net_device *dev = pci_get_drvdata(pdev);
struct bnx2x *bp;
int rc;
@@ -5034,14 +5053,11 @@ int bnx2x_resume(struct pci_dev *pdev)
rtnl_lock();
- pci_restore_state(pdev);
-
if (!netif_running(dev)) {
rtnl_unlock();
return 0;
}
- bnx2x_set_power_state(bp, PCI_D0);
netif_device_attach(dev);
rc = bnx2x_nic_load(bp, LOAD_OPEN);
@@ -5051,6 +5067,8 @@ int bnx2x_resume(struct pci_dev *pdev)
return rc;
}
+SIMPLE_DEV_PM_OPS(bnx2x_pm_ops, bnx2x_suspend, bnx2x_resume);
+
void bnx2x_set_ctx_validation(struct bnx2x *bp, struct eth_context *cxt,
u32 cid)
{