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-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c42
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h10
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c11
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c19
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c5
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c11
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c4
-rw-r--r--drivers/net/ethernet/broadcom/tg3.c53
-rw-r--r--drivers/net/ethernet/broadcom/tg3.h4
10 files changed, 100 insertions, 60 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index d0359b569afe..e1f1e646cf48 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -1748,16 +1748,32 @@ static void bnxt_tpa_agg(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
static void bnxt_deliver_skb(struct bnxt *bp, struct bnxt_napi *bnapi,
struct sk_buff *skb)
{
+ skb_mark_for_recycle(skb);
+
if (skb->dev != bp->dev) {
/* this packet belongs to a vf-rep */
bnxt_vf_rep_rx(bp, skb);
return;
}
skb_record_rx_queue(skb, bnapi->index);
- skb_mark_for_recycle(skb);
napi_gro_receive(&bnapi->napi, skb);
}
+static bool bnxt_rx_ts_valid(struct bnxt *bp, u32 flags,
+ struct rx_cmp_ext *rxcmp1, u32 *cmpl_ts)
+{
+ u32 ts = le32_to_cpu(rxcmp1->rx_cmp_timestamp);
+
+ if (BNXT_PTP_RX_TS_VALID(flags))
+ goto ts_valid;
+ if (!bp->ptp_all_rx_tstamp || !ts || !BNXT_ALL_RX_TS_VALID(flags))
+ return false;
+
+ts_valid:
+ *cmpl_ts = ts;
+ return true;
+}
+
/* returns the following:
* 1 - 1 packet successfully received
* 0 - successful TPA_START, packet not completed yet
@@ -1783,6 +1799,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
struct sk_buff *skb;
struct xdp_buff xdp;
u32 flags, misc;
+ u32 cmpl_ts;
void *data;
int rc = 0;
@@ -2005,10 +2022,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
}
}
- if (unlikely((flags & RX_CMP_FLAGS_ITYPES_MASK) ==
- RX_CMP_FLAGS_ITYPE_PTP_W_TS) || bp->ptp_all_rx_tstamp) {
+ if (bnxt_rx_ts_valid(bp, flags, rxcmp1, &cmpl_ts)) {
if (bp->flags & BNXT_FLAG_CHIP_P5) {
- u32 cmpl_ts = le32_to_cpu(rxcmp1->rx_cmp_timestamp);
u64 ns, ts;
if (!bnxt_get_rx_ts_p5(bp, &ts, cmpl_ts)) {
@@ -10731,10 +10746,8 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
bnxt_free_mem(bp, irq_re_init);
}
-int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
+void bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
{
- int rc = 0;
-
if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
/* If we get here, it means firmware reset is in progress
* while we are trying to close. We can safely proceed with
@@ -10749,15 +10762,18 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
#ifdef CONFIG_BNXT_SRIOV
if (bp->sriov_cfg) {
+ int rc;
+
rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait,
!bp->sriov_cfg,
BNXT_SRIOV_CFG_WAIT_TMO);
- if (rc)
- netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n");
+ if (!rc)
+ netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete, proceeding to close!\n");
+ else if (rc < 0)
+ netdev_warn(bp->dev, "SRIOV config operation interrupted, proceeding to close!\n");
}
#endif
__bnxt_close_nic(bp, irq_re_init, link_re_init);
- return rc;
}
static int bnxt_close(struct net_device *dev)
@@ -12077,6 +12093,8 @@ static void bnxt_sp_task(struct work_struct *work)
bnxt_cfg_ntp_filters(bp);
if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event))
bnxt_hwrm_exec_fwd_req(bp);
+ if (test_and_clear_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event))
+ netdev_info(bp->dev, "Receive PF driver unload event!\n");
if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) {
bnxt_hwrm_port_qstats(bp, 0);
bnxt_hwrm_port_qstats_ext(bp, 0);
@@ -13077,8 +13095,6 @@ static void bnxt_cfg_ntp_filters(struct bnxt *bp)
}
}
}
- if (test_and_clear_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event))
- netdev_info(bp->dev, "Receive PF driver unload event!\n");
}
#else
@@ -13940,6 +13956,8 @@ static int bnxt_resume(struct device *device)
if (rc)
goto resume_exit;
+ bnxt_clear_reservations(bp, true);
+
if (bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false)) {
rc = -ENODEV;
goto resume_exit;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index e702dbc3e6b1..a7d7b09ea162 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -161,7 +161,7 @@ struct rx_cmp {
#define RX_CMP_FLAGS_ERROR (1 << 6)
#define RX_CMP_FLAGS_PLACEMENT (7 << 7)
#define RX_CMP_FLAGS_RSS_VALID (1 << 10)
- #define RX_CMP_FLAGS_UNUSED (1 << 11)
+ #define RX_CMP_FLAGS_PKT_METADATA_PRESENT (1 << 11)
#define RX_CMP_FLAGS_ITYPES_SHIFT 12
#define RX_CMP_FLAGS_ITYPES_MASK 0xf000
#define RX_CMP_FLAGS_ITYPE_UNKNOWN (0 << 12)
@@ -188,6 +188,12 @@ struct rx_cmp {
__le32 rx_cmp_rss_hash;
};
+#define BNXT_PTP_RX_TS_VALID(flags) \
+ (((flags) & RX_CMP_FLAGS_ITYPES_MASK) == RX_CMP_FLAGS_ITYPE_PTP_W_TS)
+
+#define BNXT_ALL_RX_TS_VALID(flags) \
+ !((flags) & RX_CMP_FLAGS_PKT_METADATA_PRESENT)
+
#define RX_CMP_HASH_VALID(rxcmp) \
((rxcmp)->rx_cmp_len_flags_type & cpu_to_le32(RX_CMP_FLAGS_RSS_VALID))
@@ -2375,7 +2381,7 @@ int bnxt_open_nic(struct bnxt *, bool, bool);
int bnxt_half_open_nic(struct bnxt *bp);
void bnxt_half_close_nic(struct bnxt *bp);
void bnxt_reenable_sriov(struct bnxt *bp);
-int bnxt_close_nic(struct bnxt *, bool, bool);
+void bnxt_close_nic(struct bnxt *, bool, bool);
void bnxt_get_ring_err_stats(struct bnxt *bp,
struct bnxt_total_ring_err_stats *stats);
int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index f302dac56599..89809f1b129c 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -449,15 +449,8 @@ static int bnxt_dl_reload_down(struct devlink *dl, bool netns_change,
return -ENODEV;
}
bnxt_ulp_stop(bp);
- if (netif_running(bp->dev)) {
- rc = bnxt_close_nic(bp, true, true);
- if (rc) {
- NL_SET_ERR_MSG_MOD(extack, "Failed to close");
- dev_close(bp->dev);
- rtnl_unlock();
- break;
- }
- }
+ if (netif_running(bp->dev))
+ bnxt_close_nic(bp, true, true);
bnxt_vf_reps_free(bp);
rc = bnxt_hwrm_func_drv_unrgtr(bp);
if (rc) {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index f3f384773ac0..5f67a7f94e7d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -165,9 +165,8 @@ static int bnxt_set_coalesce(struct net_device *dev,
reset_coalesce:
if (test_bit(BNXT_STATE_OPEN, &bp->state)) {
if (update_stats) {
- rc = bnxt_close_nic(bp, true, false);
- if (!rc)
- rc = bnxt_open_nic(bp, true, false);
+ bnxt_close_nic(bp, true, false);
+ rc = bnxt_open_nic(bp, true, false);
} else {
rc = bnxt_hwrm_set_coal(bp);
}
@@ -972,12 +971,7 @@ static int bnxt_set_channels(struct net_device *dev,
* before PF unload
*/
}
- rc = bnxt_close_nic(bp, true, false);
- if (rc) {
- netdev_err(bp->dev, "Set channel failure rc :%x\n",
- rc);
- return rc;
- }
+ bnxt_close_nic(bp, true, false);
}
if (sh) {
@@ -4042,12 +4036,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
bnxt_run_fw_tests(bp, test_mask, &test_results);
} else {
bnxt_ulp_stop(bp);
- rc = bnxt_close_nic(bp, true, false);
- if (rc) {
- etest->flags |= ETH_TEST_FL_FAILED;
- bnxt_ulp_start(bp, rc);
- return;
- }
+ bnxt_close_nic(bp, true, false);
bnxt_run_fw_tests(bp, test_mask, &test_results);
buf[BNXT_MACLPBK_TEST_IDX] = 1;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
index f3886710e778..6e3da3362bd6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
@@ -521,9 +521,8 @@ static int bnxt_hwrm_ptp_cfg(struct bnxt *bp)
if (netif_running(bp->dev)) {
if (ptp->rx_filter == HWTSTAMP_FILTER_ALL) {
- rc = bnxt_close_nic(bp, false, false);
- if (!rc)
- rc = bnxt_open_nic(bp, false, false);
+ bnxt_close_nic(bp, false, false);
+ rc = bnxt_open_nic(bp, false, false);
} else {
bnxt_ptp_cfg_tstamp_filters(bp);
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 38d89d80b4a9..273c9ba48f09 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -2075,6 +2075,7 @@ destroy_flow_table:
rhashtable_destroy(&tc_info->flow_table);
free_tc_info:
kfree(tc_info);
+ bp->tc_info = NULL;
return rc;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index 96f5ca778c67..8cb9a99154aa 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
@@ -59,7 +59,6 @@ struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
for (i = 0; i < num_frags ; i++) {
skb_frag_t *frag = &sinfo->frags[i];
struct bnxt_sw_tx_bd *frag_tx_buf;
- struct pci_dev *pdev = bp->pdev;
dma_addr_t frag_mapping;
int frag_len;
@@ -73,16 +72,10 @@ struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp,
txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
frag_len = skb_frag_size(frag);
- frag_mapping = skb_frag_dma_map(&pdev->dev, frag, 0,
- frag_len, DMA_TO_DEVICE);
-
- if (unlikely(dma_mapping_error(&pdev->dev, frag_mapping)))
- return NULL;
-
- dma_unmap_addr_set(frag_tx_buf, mapping, frag_mapping);
-
flags = frag_len << TX_BD_LEN_SHIFT;
txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
+ frag_mapping = page_pool_get_dma_addr(skb_frag_page(frag)) +
+ skb_frag_off(frag);
txbd->tx_bd_haddr = cpu_to_le64(frag_mapping);
len = frag_len;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 9282403d1bf6..2d7ae71287b1 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2132,8 +2132,10 @@ static netdev_tx_t bcmgenet_xmit(struct sk_buff *skb, struct net_device *dev)
/* Note: if we ever change from DMA_TX_APPEND_CRC below we
* will need to restore software padding of "runt" packets
*/
+ len_stat |= DMA_TX_APPEND_CRC;
+
if (!i) {
- len_stat |= DMA_TX_APPEND_CRC | DMA_SOP;
+ len_stat |= DMA_SOP;
if (skb->ip_summed == CHECKSUM_PARTIAL)
len_stat |= DMA_TX_DO_CSUM;
}
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 1dee27349367..f52830dfb26a 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6474,6 +6474,14 @@ static void tg3_dump_state(struct tg3 *tp)
int i;
u32 *regs;
+ /* If it is a PCI error, all registers will be 0xffff,
+ * we don't dump them out, just report the error and return
+ */
+ if (tp->pdev->error_state != pci_channel_io_normal) {
+ netdev_err(tp->dev, "PCI channel ERROR!\n");
+ return;
+ }
+
regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC);
if (!regs)
return;
@@ -6889,7 +6897,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
desc_idx, *post_ptr);
drop_it_no_recycle:
/* Other statistics kept track of by card. */
- tp->rx_dropped++;
+ tnapi->rx_dropped++;
goto next_pkt;
}
@@ -7918,8 +7926,10 @@ static int tg3_tso_bug(struct tg3 *tp, struct tg3_napi *tnapi,
segs = skb_gso_segment(skb, tp->dev->features &
~(NETIF_F_TSO | NETIF_F_TSO6));
- if (IS_ERR(segs) || !segs)
+ if (IS_ERR(segs) || !segs) {
+ tnapi->tx_dropped++;
goto tg3_tso_bug_end;
+ }
skb_list_walk_safe(segs, seg, next) {
skb_mark_not_on_list(seg);
@@ -8190,7 +8200,7 @@ dma_error:
drop:
dev_kfree_skb_any(skb);
drop_nofree:
- tp->tx_dropped++;
+ tnapi->tx_dropped++;
return NETDEV_TX_OK;
}
@@ -9405,7 +9415,7 @@ static void __tg3_set_rx_mode(struct net_device *);
/* tp->lock is held. */
static int tg3_halt(struct tg3 *tp, int kind, bool silent)
{
- int err;
+ int err, i;
tg3_stop_fw(tp);
@@ -9426,6 +9436,13 @@ static int tg3_halt(struct tg3 *tp, int kind, bool silent)
/* And make sure the next sample is new data */
memset(tp->hw_stats, 0, sizeof(struct tg3_hw_stats));
+
+ for (i = 0; i < TG3_IRQ_MAX_VECS; ++i) {
+ struct tg3_napi *tnapi = &tp->napi[i];
+
+ tnapi->rx_dropped = 0;
+ tnapi->tx_dropped = 0;
+ }
}
return err;
@@ -11250,7 +11267,8 @@ static void tg3_reset_task(struct work_struct *work)
rtnl_lock();
tg3_full_lock(tp, 0);
- if (tp->pcierr_recovery || !netif_running(tp->dev)) {
+ if (tp->pcierr_recovery || !netif_running(tp->dev) ||
+ tp->pdev->error_state != pci_channel_io_normal) {
tg3_flag_clear(tp, RESET_TASK_PENDING);
tg3_full_unlock(tp);
rtnl_unlock();
@@ -11975,6 +11993,9 @@ static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats)
{
struct rtnl_link_stats64 *old_stats = &tp->net_stats_prev;
struct tg3_hw_stats *hw_stats = tp->hw_stats;
+ unsigned long rx_dropped;
+ unsigned long tx_dropped;
+ int i;
stats->rx_packets = old_stats->rx_packets +
get_stat64(&hw_stats->rx_ucast_packets) +
@@ -12021,8 +12042,26 @@ static void tg3_get_nstats(struct tg3 *tp, struct rtnl_link_stats64 *stats)
stats->rx_missed_errors = old_stats->rx_missed_errors +
get_stat64(&hw_stats->rx_discards);
- stats->rx_dropped = tp->rx_dropped;
- stats->tx_dropped = tp->tx_dropped;
+ /* Aggregate per-queue counters. The per-queue counters are updated
+ * by a single writer, race-free. The result computed by this loop
+ * might not be 100% accurate (counters can be updated in the middle of
+ * the loop) but the next tg3_get_nstats() will recompute the current
+ * value so it is acceptable.
+ *
+ * Note that these counters wrap around at 4G on 32bit machines.
+ */
+ rx_dropped = (unsigned long)(old_stats->rx_dropped);
+ tx_dropped = (unsigned long)(old_stats->tx_dropped);
+
+ for (i = 0; i < tp->irq_cnt; i++) {
+ struct tg3_napi *tnapi = &tp->napi[i];
+
+ rx_dropped += tnapi->rx_dropped;
+ tx_dropped += tnapi->tx_dropped;
+ }
+
+ stats->rx_dropped = rx_dropped;
+ stats->tx_dropped = tx_dropped;
}
static int tg3_get_regs_len(struct net_device *dev)
diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h
index ae5c01bd1110..5016475e5005 100644
--- a/drivers/net/ethernet/broadcom/tg3.h
+++ b/drivers/net/ethernet/broadcom/tg3.h
@@ -3018,6 +3018,7 @@ struct tg3_napi {
u16 *rx_rcb_prod_idx;
struct tg3_rx_prodring_set prodring;
struct tg3_rx_buffer_desc *rx_rcb;
+ unsigned long rx_dropped;
u32 tx_prod ____cacheline_aligned;
u32 tx_cons;
@@ -3026,6 +3027,7 @@ struct tg3_napi {
u32 prodmbox;
struct tg3_tx_buffer_desc *tx_ring;
struct tg3_tx_ring_info *tx_buffers;
+ unsigned long tx_dropped;
dma_addr_t status_mapping;
dma_addr_t rx_rcb_mapping;
@@ -3220,8 +3222,6 @@ struct tg3 {
/* begin "everything else" cacheline(s) section */
- unsigned long rx_dropped;
- unsigned long tx_dropped;
struct rtnl_link_stats64 net_stats_prev;
struct tg3_ethtool_stats estats_prev;
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