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-rw-r--r--drivers/net/ethernet/8390/8390.c1
-rw-r--r--drivers/net/ethernet/8390/8390p.c1
-rw-r--r--drivers/net/ethernet/8390/apne.c1
-rw-r--r--drivers/net/ethernet/8390/hydra.c1
-rw-r--r--drivers/net/ethernet/8390/stnic.c1
-rw-r--r--drivers/net/ethernet/8390/zorro8390.c1
-rw-r--r--drivers/net/ethernet/broadcom/bcm4908_enet.c1
-rw-r--r--drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c1
-rw-r--r--drivers/net/ethernet/broadcom/bgmac-bcma.c1
-rw-r--r--drivers/net/ethernet/broadcom/bgmac-platform.c1
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c49
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c7
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c2
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_core.c1
-rw-r--r--drivers/net/ethernet/cirrus/ep93xx_eth.c1
-rw-r--r--drivers/net/ethernet/engleder/tsnep_main.c17
-rw-r--r--drivers/net/ethernet/ezchip/nps_enet.c1
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.c1
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c3
-rw-r--r--drivers/net/ethernet/freescale/fsl_pq_mdio.c1
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c47
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c49
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_xsk.c4
-rw-r--r--drivers/net/ethernet/intel/ice/ice_base.c37
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c19
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.h1
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx_lib.h31
-rw-r--r--drivers/net/ethernet/intel/ice/ice_xsk.c4
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_lib.c2
-rw-r--r--drivers/net/ethernet/litex/litex_liteeth.c1
-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c27
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/mbox.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/params.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c10
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c26
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_common.c21
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c5
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_mcast.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/aso.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c17
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/vport.c21
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c3
-rw-r--r--drivers/net/fjes/fjes_hw.c37
-rw-r--r--drivers/net/hyperv/netvsc_drv.c4
-rw-r--r--drivers/net/macsec.c25
-rw-r--r--drivers/net/phy/micrel.c11
-rw-r--r--drivers/net/tun.c10
-rw-r--r--drivers/net/wireless/ath/ath11k/core.h4
-rw-r--r--drivers/net/wireless/ath/ath11k/debugfs.c25
-rw-r--r--drivers/net/wireless/ath/ath11k/debugfs.h12
-rw-r--r--drivers/net/wireless/ath/ath11k/mac.c12
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c4
-rw-r--r--drivers/net/wireless/intersil/p54/fwio.c2
-rw-r--r--drivers/net/xen-netback/netback.c44
64 files changed, 435 insertions, 203 deletions
diff --git a/drivers/net/ethernet/8390/8390.c b/drivers/net/ethernet/8390/8390.c
index 0e0aa4016858..c5636245f1ca 100644
--- a/drivers/net/ethernet/8390/8390.c
+++ b/drivers/net/ethernet/8390/8390.c
@@ -100,4 +100,5 @@ static void __exit ns8390_module_exit(void)
module_init(ns8390_module_init);
module_exit(ns8390_module_exit);
#endif /* MODULE */
+MODULE_DESCRIPTION("National Semiconductor 8390 core driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/8390/8390p.c b/drivers/net/ethernet/8390/8390p.c
index 6834742057b3..6d429b11e9c6 100644
--- a/drivers/net/ethernet/8390/8390p.c
+++ b/drivers/net/ethernet/8390/8390p.c
@@ -102,4 +102,5 @@ static void __exit NS8390p_cleanup_module(void)
module_init(NS8390p_init_module);
module_exit(NS8390p_cleanup_module);
+MODULE_DESCRIPTION("National Semiconductor 8390 core for ISA driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/8390/apne.c b/drivers/net/ethernet/8390/apne.c
index a09f383dd249..828edca8d30c 100644
--- a/drivers/net/ethernet/8390/apne.c
+++ b/drivers/net/ethernet/8390/apne.c
@@ -610,4 +610,5 @@ static int init_pcmcia(void)
return 1;
}
+MODULE_DESCRIPTION("National Semiconductor 8390 Amiga PCMCIA ethernet driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/8390/hydra.c b/drivers/net/ethernet/8390/hydra.c
index 24f49a8ff903..fd9dcdc356e6 100644
--- a/drivers/net/ethernet/8390/hydra.c
+++ b/drivers/net/ethernet/8390/hydra.c
@@ -270,4 +270,5 @@ static void __exit hydra_cleanup_module(void)
module_init(hydra_init_module);
module_exit(hydra_cleanup_module);
+MODULE_DESCRIPTION("Zorro-II Hydra 8390 ethernet driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/8390/stnic.c b/drivers/net/ethernet/8390/stnic.c
index 265976e3b64a..6cc0e190aa79 100644
--- a/drivers/net/ethernet/8390/stnic.c
+++ b/drivers/net/ethernet/8390/stnic.c
@@ -296,4 +296,5 @@ static void __exit stnic_cleanup(void)
module_init(stnic_probe);
module_exit(stnic_cleanup);
+MODULE_DESCRIPTION("National Semiconductor DP83902AV ethernet driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/8390/zorro8390.c b/drivers/net/ethernet/8390/zorro8390.c
index d70390e9d03d..c24dd4fe7a10 100644
--- a/drivers/net/ethernet/8390/zorro8390.c
+++ b/drivers/net/ethernet/8390/zorro8390.c
@@ -443,4 +443,5 @@ static void __exit zorro8390_cleanup_module(void)
module_init(zorro8390_init_module);
module_exit(zorro8390_cleanup_module);
+MODULE_DESCRIPTION("Zorro NS8390-based ethernet driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index 3e7c8671cd11..72df1bb10172 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -793,5 +793,6 @@ static struct platform_driver bcm4908_enet_driver = {
};
module_platform_driver(bcm4908_enet_driver);
+MODULE_DESCRIPTION("Broadcom BCM4908 Gigabit Ethernet driver");
MODULE_LICENSE("GPL v2");
MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match);
diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c b/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
index 9b83d5361699..50b8e97a811d 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c
@@ -260,4 +260,5 @@ void bcma_mdio_mii_unregister(struct mii_bus *mii_bus)
EXPORT_SYMBOL_GPL(bcma_mdio_mii_unregister);
MODULE_AUTHOR("Rafał Miłecki");
+MODULE_DESCRIPTION("Broadcom iProc GBit BCMA MDIO helpers");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c
index 6e4f36aaf5db..36f9bad28e6a 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -362,4 +362,5 @@ module_init(bgmac_init)
module_exit(bgmac_exit)
MODULE_AUTHOR("Rafał Miłecki");
+MODULE_DESCRIPTION("Broadcom iProc GBit BCMA interface driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/broadcom/bgmac-platform.c b/drivers/net/ethernet/broadcom/bgmac-platform.c
index 0b21fd5bd457..77425c7a32db 100644
--- a/drivers/net/ethernet/broadcom/bgmac-platform.c
+++ b/drivers/net/ethernet/broadcom/bgmac-platform.c
@@ -298,4 +298,5 @@ static struct platform_driver bgmac_enet_driver = {
};
module_platform_driver(bgmac_enet_driver);
+MODULE_DESCRIPTION("Broadcom iProc GBit platform interface driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 448a1b90de5e..6ffdc4229407 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -1626,4 +1626,5 @@ int bgmac_enet_resume(struct bgmac *bgmac)
EXPORT_SYMBOL_GPL(bgmac_enet_resume);
MODULE_AUTHOR("Rafał Miłecki");
+MODULE_DESCRIPTION("Broadcom iProc GBit driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 0aacd3c6ed5c..39845d556baf 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -3817,7 +3817,7 @@ static int bnxt_alloc_cp_rings(struct bnxt *bp)
{
bool sh = !!(bp->flags & BNXT_FLAG_SHARED_RINGS);
int i, j, rc, ulp_base_vec, ulp_msix;
- int tcs = netdev_get_num_tc(bp->dev);
+ int tcs = bp->num_tc;
if (!tcs)
tcs = 1;
@@ -5935,8 +5935,12 @@ static u16 bnxt_get_max_rss_ring(struct bnxt *bp)
int bnxt_get_nr_rss_ctxs(struct bnxt *bp, int rx_rings)
{
- if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS)
- return DIV_ROUND_UP(rx_rings, BNXT_RSS_TABLE_ENTRIES_P5);
+ if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) {
+ if (!rx_rings)
+ return 0;
+ return bnxt_calc_nr_ring_pages(rx_rings - 1,
+ BNXT_RSS_TABLE_ENTRIES_P5);
+ }
if (BNXT_CHIP_TYPE_NITRO_A0(bp))
return 2;
return 1;
@@ -6926,7 +6930,7 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp)
if (cp < (rx + tx)) {
rc = __bnxt_trim_rings(bp, &rx, &tx, cp, false);
if (rc)
- return rc;
+ goto get_rings_exit;
if (bp->flags & BNXT_FLAG_AGG_RINGS)
rx <<= 1;
hw_resc->resv_rx_rings = rx;
@@ -6938,8 +6942,9 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp)
hw_resc->resv_cp_rings = cp;
hw_resc->resv_stat_ctxs = stats;
}
+get_rings_exit:
hwrm_req_drop(bp, req);
- return 0;
+ return rc;
}
int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings)
@@ -7000,10 +7005,11 @@ __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
req->num_rx_rings = cpu_to_le16(rx_rings);
if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) {
+ u16 rss_ctx = bnxt_get_nr_rss_ctxs(bp, ring_grps);
+
req->num_cmpl_rings = cpu_to_le16(tx_rings + ring_grps);
req->num_msix = cpu_to_le16(cp_rings);
- req->num_rsscos_ctxs =
- cpu_to_le16(DIV_ROUND_UP(ring_grps, 64));
+ req->num_rsscos_ctxs = cpu_to_le16(rss_ctx);
} else {
req->num_cmpl_rings = cpu_to_le16(cp_rings);
req->num_hw_ring_grps = cpu_to_le16(ring_grps);
@@ -7050,8 +7056,10 @@ __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
req->num_tx_rings = cpu_to_le16(tx_rings);
req->num_rx_rings = cpu_to_le16(rx_rings);
if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) {
+ u16 rss_ctx = bnxt_get_nr_rss_ctxs(bp, ring_grps);
+
req->num_cmpl_rings = cpu_to_le16(tx_rings + ring_grps);
- req->num_rsscos_ctxs = cpu_to_le16(DIV_ROUND_UP(ring_grps, 64));
+ req->num_rsscos_ctxs = cpu_to_le16(rss_ctx);
} else {
req->num_cmpl_rings = cpu_to_le16(cp_rings);
req->num_hw_ring_grps = cpu_to_le16(ring_grps);
@@ -9938,7 +9946,7 @@ static int __bnxt_num_tx_to_cp(struct bnxt *bp, int tx, int tx_sets, int tx_xdp)
int bnxt_num_tx_to_cp(struct bnxt *bp, int tx)
{
- int tcs = netdev_get_num_tc(bp->dev);
+ int tcs = bp->num_tc;
if (!tcs)
tcs = 1;
@@ -9947,7 +9955,7 @@ int bnxt_num_tx_to_cp(struct bnxt *bp, int tx)
static int bnxt_num_cp_to_tx(struct bnxt *bp, int tx_cp)
{
- int tcs = netdev_get_num_tc(bp->dev);
+ int tcs = bp->num_tc;
return (tx_cp - bp->tx_nr_rings_xdp) * tcs +
bp->tx_nr_rings_xdp;
@@ -9977,7 +9985,7 @@ static void bnxt_setup_msix(struct bnxt *bp)
struct net_device *dev = bp->dev;
int tcs, i;
- tcs = netdev_get_num_tc(dev);
+ tcs = bp->num_tc;
if (tcs) {
int i, off, count;
@@ -10009,8 +10017,10 @@ static void bnxt_setup_inta(struct bnxt *bp)
{
const int len = sizeof(bp->irq_tbl[0].name);
- if (netdev_get_num_tc(bp->dev))
+ if (bp->num_tc) {
netdev_reset_tc(bp->dev);
+ bp->num_tc = 0;
+ }
snprintf(bp->irq_tbl[0].name, len, "%s-%s-%d", bp->dev->name, "TxRx",
0);
@@ -10236,8 +10246,8 @@ static void bnxt_clear_int_mode(struct bnxt *bp)
int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init)
{
- int tcs = netdev_get_num_tc(bp->dev);
bool irq_cleared = false;
+ int tcs = bp->num_tc;
int rc;
if (!bnxt_need_reserve_rings(bp))
@@ -10263,6 +10273,7 @@ int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init)
bp->tx_nr_rings - bp->tx_nr_rings_xdp)) {
netdev_err(bp->dev, "tx ring reservation failure\n");
netdev_reset_tc(bp->dev);
+ bp->num_tc = 0;
if (bp->tx_nr_rings_xdp)
bp->tx_nr_rings_per_tc = bp->tx_nr_rings_xdp;
else
@@ -11564,10 +11575,12 @@ int bnxt_half_open_nic(struct bnxt *bp)
netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
goto half_open_err;
}
+ bnxt_init_napi(bp);
set_bit(BNXT_STATE_HALF_OPEN, &bp->state);
rc = bnxt_init_nic(bp, true);
if (rc) {
clear_bit(BNXT_STATE_HALF_OPEN, &bp->state);
+ bnxt_del_napi(bp);
netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
goto half_open_err;
}
@@ -11586,6 +11599,7 @@ half_open_err:
void bnxt_half_close_nic(struct bnxt *bp)
{
bnxt_hwrm_resource_free(bp, false, true);
+ bnxt_del_napi(bp);
bnxt_free_skbs(bp);
bnxt_free_mem(bp, true);
clear_bit(BNXT_STATE_HALF_OPEN, &bp->state);
@@ -13232,6 +13246,11 @@ static int bnxt_fw_init_one_p1(struct bnxt *bp)
bp->fw_cap = 0;
rc = bnxt_hwrm_ver_get(bp);
+ /* FW may be unresponsive after FLR. FLR must complete within 100 msec
+ * so wait before continuing with recovery.
+ */
+ if (rc)
+ msleep(100);
bnxt_try_map_fw_health_reg(bp);
if (rc) {
rc = bnxt_try_recover_fw(bp);
@@ -13784,7 +13803,7 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
return -EINVAL;
}
- if (netdev_get_num_tc(dev) == tc)
+ if (bp->num_tc == tc)
return 0;
if (bp->flags & BNXT_FLAG_SHARED_RINGS)
@@ -13802,9 +13821,11 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
if (tc) {
bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tc;
netdev_set_num_tc(dev, tc);
+ bp->num_tc = tc;
} else {
bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
netdev_reset_tc(dev);
+ bp->num_tc = 0;
}
bp->tx_nr_rings += bp->tx_nr_rings_xdp;
tx_cp = bnxt_num_tx_to_cp(bp, bp->tx_nr_rings);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index b8ef1717cb65..47338b48ca20 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -2225,6 +2225,7 @@ struct bnxt {
u8 tc_to_qidx[BNXT_MAX_QUEUE];
u8 q_ids[BNXT_MAX_QUEUE];
u8 max_q;
+ u8 num_tc;
unsigned int current_interval;
#define BNXT_TIMER_INTERVAL HZ
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
index 63e067038385..0dbb880a7aa0 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
@@ -228,7 +228,7 @@ static int bnxt_queue_remap(struct bnxt *bp, unsigned int lltc_mask)
}
}
if (bp->ieee_ets) {
- int tc = netdev_get_num_tc(bp->dev);
+ int tc = bp->num_tc;
if (!tc)
tc = 1;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 27b983c0a8a9..dc4ca706b0e2 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -884,7 +884,7 @@ static void bnxt_get_channels(struct net_device *dev,
if (max_tx_sch_inputs)
max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
- tcs = netdev_get_num_tc(dev);
+ tcs = bp->num_tc;
tx_grps = max(tcs, 1);
if (bp->tx_nr_rings_xdp)
tx_grps++;
@@ -944,7 +944,7 @@ static int bnxt_set_channels(struct net_device *dev,
if (channel->combined_count)
sh = true;
- tcs = netdev_get_num_tc(dev);
+ tcs = bp->num_tc;
req_tx_rings = sh ? channel->combined_count : channel->tx_count;
req_rx_rings = sh ? channel->combined_count : channel->rx_count;
@@ -1574,7 +1574,8 @@ u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
struct bnxt *bp = netdev_priv(dev);
if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS)
- return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
+ return bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) *
+ BNXT_RSS_TABLE_ENTRIES_P5;
return HW_HASH_INDEX_SIZE;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
index c2b25fc623ec..4079538bc310 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
@@ -407,7 +407,7 @@ static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog)
if (prog)
tx_xdp = bp->rx_nr_rings;
- tc = netdev_get_num_tc(dev);
+ tc = bp->num_tc;
if (!tc)
tc = 1;
rc = bnxt_check_rings(bp, bp->tx_nr_rings_per_tc, bp->rx_nr_rings,
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_core.c b/drivers/net/ethernet/cavium/liquidio/lio_core.c
index 9cc6303c82ff..f38d31bfab1b 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_core.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_core.c
@@ -27,6 +27,7 @@
#include "octeon_network.h"
MODULE_AUTHOR("Cavium Networks, <support@cavium.com>");
+MODULE_DESCRIPTION("Cavium LiquidIO Intelligent Server Adapter Core");
MODULE_LICENSE("GPL");
/* OOM task polling interval */
diff --git a/drivers/net/ethernet/cirrus/ep93xx_eth.c b/drivers/net/ethernet/cirrus/ep93xx_eth.c
index 1c2a540db13d..1f495cfd7959 100644
--- a/drivers/net/ethernet/cirrus/ep93xx_eth.c
+++ b/drivers/net/ethernet/cirrus/ep93xx_eth.c
@@ -868,5 +868,6 @@ static struct platform_driver ep93xx_eth_driver = {
module_platform_driver(ep93xx_eth_driver);
+MODULE_DESCRIPTION("Cirrus EP93xx Ethernet driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:ep93xx-eth");
diff --git a/drivers/net/ethernet/engleder/tsnep_main.c b/drivers/net/ethernet/engleder/tsnep_main.c
index df40c720e7b2..9aeff2b37a61 100644
--- a/drivers/net/ethernet/engleder/tsnep_main.c
+++ b/drivers/net/ethernet/engleder/tsnep_main.c
@@ -1485,7 +1485,7 @@ static int tsnep_rx_poll(struct tsnep_rx *rx, struct napi_struct *napi,
xdp_prepare_buff(&xdp, page_address(entry->page),
XDP_PACKET_HEADROOM + TSNEP_RX_INLINE_METADATA_SIZE,
- length, false);
+ length - ETH_FCS_LEN, false);
consume = tsnep_xdp_run_prog(rx, prog, &xdp,
&xdp_status, tx_nq, tx);
@@ -1568,7 +1568,7 @@ static int tsnep_rx_poll_zc(struct tsnep_rx *rx, struct napi_struct *napi,
prefetch(entry->xdp->data);
length = __le32_to_cpu(entry->desc_wb->properties) &
TSNEP_DESC_LENGTH_MASK;
- xsk_buff_set_size(entry->xdp, length);
+ xsk_buff_set_size(entry->xdp, length - ETH_FCS_LEN);
xsk_buff_dma_sync_for_cpu(entry->xdp, rx->xsk_pool);
/* RX metadata with timestamps is in front of actual data,
@@ -1762,6 +1762,19 @@ static void tsnep_rx_reopen_xsk(struct tsnep_rx *rx)
allocated--;
}
}
+
+ /* set need wakeup flag immediately if ring is not filled completely,
+ * first polling would be too late as need wakeup signalisation would
+ * be delayed for an indefinite time
+ */
+ if (xsk_uses_need_wakeup(rx->xsk_pool)) {
+ int desc_available = tsnep_rx_desc_available(rx);
+
+ if (desc_available)
+ xsk_set_rx_need_wakeup(rx->xsk_pool);
+ else
+ xsk_clear_rx_need_wakeup(rx->xsk_pool);
+ }
}
static bool tsnep_pending(struct tsnep_queue *queue)
diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index 07c2b701b5fa..9ebe751c1df0 100644
--- a/drivers/net/ethernet/ezchip/nps_enet.c
+++ b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -661,4 +661,5 @@ static struct platform_driver nps_enet_driver = {
module_platform_driver(nps_enet_driver);
MODULE_AUTHOR("EZchip Semiconductor");
+MODULE_DESCRIPTION("EZchip NPS Ethernet driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c
index cffbf27c4656..bfdbdab443ae 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.c
+++ b/drivers/net/ethernet/freescale/enetc/enetc.c
@@ -3216,4 +3216,5 @@ void enetc_pci_remove(struct pci_dev *pdev)
}
EXPORT_SYMBOL_GPL(enetc_pci_remove);
+MODULE_DESCRIPTION("NXP ENETC Ethernet driver");
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index d42594f32275..432523b2c789 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2036,6 +2036,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
/* if any of the above changed restart the FEC */
if (status_change) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
@@ -2045,6 +2046,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
}
} else {
if (fep->link) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_stop(ndev);
@@ -4769,4 +4771,5 @@ static struct platform_driver fec_driver = {
module_platform_driver(fec_driver);
+MODULE_DESCRIPTION("NXP Fast Ethernet Controller (FEC) driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 70dd982a5edc..026f7270a54d 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -531,4 +531,5 @@ static struct platform_driver fsl_pq_mdio_driver = {
module_platform_driver(fsl_pq_mdio_driver);
+MODULE_DESCRIPTION("Freescale PQ MDIO helpers");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index ae8f9f135725..6e7fd473abfd 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -3588,40 +3588,55 @@ static int i40e_configure_rx_ring(struct i40e_ring *ring)
struct i40e_hmc_obj_rxq rx_ctx;
int err = 0;
bool ok;
- int ret;
bitmap_zero(ring->state, __I40E_RING_STATE_NBITS);
/* clear the context structure first */
memset(&rx_ctx, 0, sizeof(rx_ctx));
- if (ring->vsi->type == I40E_VSI_MAIN)
- xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
+ ring->rx_buf_len = vsi->rx_buf_len;
+
+ /* XDP RX-queue info only needed for RX rings exposed to XDP */
+ if (ring->vsi->type != I40E_VSI_MAIN)
+ goto skip;
+
+ if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) {
+ err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
+ ring->queue_index,
+ ring->q_vector->napi.napi_id,
+ ring->rx_buf_len);
+ if (err)
+ return err;
+ }
ring->xsk_pool = i40e_xsk_pool(ring);
if (ring->xsk_pool) {
- ring->rx_buf_len =
- xsk_pool_get_rx_frame_size(ring->xsk_pool);
- ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
+ xdp_rxq_info_unreg(&ring->xdp_rxq);
+ ring->rx_buf_len = xsk_pool_get_rx_frame_size(ring->xsk_pool);
+ err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
+ ring->queue_index,
+ ring->q_vector->napi.napi_id,
+ ring->rx_buf_len);
+ if (err)
+ return err;
+ err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_XSK_BUFF_POOL,
NULL);
- if (ret)
- return ret;
+ if (err)
+ return err;
dev_info(&vsi->back->pdev->dev,
"Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n",
ring->queue_index);
} else {
- ring->rx_buf_len = vsi->rx_buf_len;
- if (ring->vsi->type == I40E_VSI_MAIN) {
- ret = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
- MEM_TYPE_PAGE_SHARED,
- NULL);
- if (ret)
- return ret;
- }
+ err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
+ MEM_TYPE_PAGE_SHARED,
+ NULL);
+ if (err)
+ return err;
}
+skip:
xdp_init_buff(&ring->xdp, i40e_rx_pg_size(ring) / 2, &ring->xdp_rxq);
rx_ctx.dbuff = DIV_ROUND_UP(ring->rx_buf_len,
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 971ba3322038..0d7177083708 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -1548,7 +1548,6 @@ void i40e_free_rx_resources(struct i40e_ring *rx_ring)
int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
{
struct device *dev = rx_ring->dev;
- int err;
u64_stats_init(&rx_ring->syncp);
@@ -1569,14 +1568,6 @@ int i40e_setup_rx_descriptors(struct i40e_ring *rx_ring)
rx_ring->next_to_process = 0;
rx_ring->next_to_use = 0;
- /* XDP RX-queue info only needed for RX rings exposed to XDP */
- if (rx_ring->vsi->type == I40E_VSI_MAIN) {
- err = xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev,
- rx_ring->queue_index, rx_ring->q_vector->napi.napi_id);
- if (err < 0)
- return err;
- }
-
rx_ring->xdp_prog = rx_ring->vsi->xdp_prog;
rx_ring->rx_bi =
@@ -2087,7 +2078,8 @@ static void i40e_put_rx_buffer(struct i40e_ring *rx_ring,
static void i40e_process_rx_buffs(struct i40e_ring *rx_ring, int xdp_res,
struct xdp_buff *xdp)
{
- u32 next = rx_ring->next_to_clean;
+ u32 nr_frags = xdp_get_shared_info_from_buff(xdp)->nr_frags;
+ u32 next = rx_ring->next_to_clean, i = 0;
struct i40e_rx_buffer *rx_buffer;
xdp->flags = 0;
@@ -2100,10 +2092,10 @@ static void i40e_process_rx_buffs(struct i40e_ring *rx_ring, int xdp_res,
if (!rx_buffer->page)
continue;
- if (xdp_res == I40E_XDP_CONSUMED)
- rx_buffer->pagecnt_bias++;
- else
+ if (xdp_res != I40E_XDP_CONSUMED)
i40e_rx_buffer_flip(rx_buffer, xdp->frame_sz);
+ else if (i++ <= nr_frags)
+ rx_buffer->pagecnt_bias++;
/* EOP buffer will be put in i40e_clean_rx_irq() */
if (next == rx_ring->next_to_process)
@@ -2117,20 +2109,20 @@ static void i40e_process_rx_buffs(struct i40e_ring *rx_ring, int xdp_res,
* i40e_construct_skb - Allocate skb and populate it
* @rx_ring: rx descriptor ring to transact packets on
* @xdp: xdp_buff pointing to the data
- * @nr_frags: number of buffers for the packet
*
* This function allocates an skb. It then populates it with the page
* data from the current receive descriptor, taking care to set up the
* skb correctly.
*/
static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
- struct xdp_buff *xdp,
- u32 nr_frags)
+ struct xdp_buff *xdp)
{
unsigned int size = xdp->data_end - xdp->data;
struct i40e_rx_buffer *rx_buffer;
+ struct skb_shared_info *sinfo;
unsigned int headlen;
struct sk_buff *skb;
+ u32 nr_frags = 0;
/* prefetch first cache line of first page */
net_prefetch(xdp->data);
@@ -2168,6 +2160,10 @@ static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
memcpy(__skb_put(skb, headlen), xdp->data,
ALIGN(headlen, sizeof(long)));
+ if (unlikely(xdp_buff_has_frags(xdp))) {
+ sinfo = xdp_get_shared_info_from_buff(xdp);
+ nr_frags = sinfo->nr_frags;
+ }
rx_buffer = i40e_rx_bi(rx_ring, rx_ring->next_to_clean);
/* update all of the pointers */
size -= headlen;
@@ -2187,9 +2183,8 @@ static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
}
if (unlikely(xdp_buff_has_frags(xdp))) {
- struct skb_shared_info *sinfo, *skinfo = skb_shinfo(skb);
+ struct skb_shared_info *skinfo = skb_shinfo(skb);
- sinfo = xdp_get_shared_info_from_buff(xdp);
memcpy(&skinfo->frags[skinfo->nr_frags], &sinfo->frags[0],
sizeof(skb_frag_t) * nr_frags);
@@ -2212,17 +2207,17 @@ static struct sk_buff *i40e_construct_skb(struct i40e_ring *rx_ring,
* i40e_build_skb - Build skb around an existing buffer
* @rx_ring: Rx descriptor ring to transact packets on
* @xdp: xdp_buff pointing to the data
- * @nr_frags: number of buffers for the packet
*
* This function builds an skb around an existing Rx buffer, taking care
* to set up the skb correctly and avoid any memcpy overhead.
*/
static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
- struct xdp_buff *xdp,
- u32 nr_frags)
+ struct xdp_buff *xdp)
{
unsigned int metasize = xdp->data - xdp->data_meta;
+ struct skb_shared_info *sinfo;
struct sk_buff *skb;
+ u32 nr_frags;
/* Prefetch first cache line of first page. If xdp->data_meta
* is unused, this points exactly as xdp->data, otherwise we
@@ -2231,6 +2226,11 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
*/
net_prefetch(xdp->data_meta);
+ if (unlikely(xdp_buff_has_frags(xdp))) {
+ sinfo = xdp_get_shared_info_from_buff(xdp);
+ nr_frags = sinfo->nr_frags;
+ }
+
/* build an skb around the page buffer */
skb = napi_build_skb(xdp->data_hard_start, xdp->frame_sz);
if (unlikely(!skb))
@@ -2243,9 +2243,6 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring,
skb_metadata_set(skb, metasize);
if (unlikely(xdp_buff_has_frags(xdp))) {
- struct skb_shared_info *sinfo;
-
- sinfo = xdp_get_shared_info_from_buff(xdp);
xdp_update_skb_shared_info(skb, nr_frags,
sinfo->xdp_frags_size,
nr_frags * xdp->frame_sz,
@@ -2589,9 +2586,9 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget,
total_rx_bytes += size;
} else {
if (ring_uses_build_skb(rx_ring))
- skb = i40e_build_skb(rx_ring, xdp, nfrags);
+ skb = i40e_build_skb(rx_ring, xdp);
else
- skb = i40e_construct_skb(rx_ring, xdp, nfrags);
+ skb = i40e_construct_skb(rx_ring, xdp);
/* drop if we failed to retrieve a buffer */
if (!skb) {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
index af7d5fa6cdc1..11500003af0d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c
@@ -414,7 +414,8 @@ i40e_add_xsk_frag(struct i40e_ring *rx_ring, struct xdp_buff *first,
}
__skb_fill_page_desc_noacc(sinfo, sinfo->nr_frags++,
- virt_to_page(xdp->data_hard_start), 0, size);
+ virt_to_page(xdp->data_hard_start),
+ XDP_PACKET_HEADROOM, size);
sinfo->xdp_frags_size += size;
xsk_buff_add_frag(xdp);
@@ -498,7 +499,6 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget)
xdp_res = i40e_run_xdp_zc(rx_ring, first, xdp_prog);
i40e_handle_xdp_result_zc(rx_ring, first, rx_desc, &rx_packets,
&rx_bytes, xdp_res, &failure);
- first->flags = 0;
next_to_clean = next_to_process;
if (failure)
break;
diff --git a/drivers/net/ethernet/intel/ice/ice_base.c b/drivers/net/ethernet/intel/ice/ice_base.c
index 533b923cae2d..7ac847718882 100644
--- a/drivers/net/ethernet/intel/ice/ice_base.c
+++ b/drivers/net/ethernet/intel/ice/ice_base.c
@@ -547,19 +547,27 @@ int ice_vsi_cfg_rxq(struct ice_rx_ring *ring)
ring->rx_buf_len = ring->vsi->rx_buf_len;
if (ring->vsi->type == ICE_VSI_PF) {
- if (!xdp_rxq_info_is_reg(&ring->xdp_rxq))
- /* coverity[check_return] */
- __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
- ring->q_index,
- ring->q_vector->napi.napi_id,
- ring->vsi->rx_buf_len);
+ if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) {
+ err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
+ ring->q_index,
+ ring->q_vector->napi.napi_id,
+ ring->rx_buf_len);
+ if (err)
+ return err;
+ }
ring->xsk_pool = ice_xsk_pool(ring);
if (ring->xsk_pool) {
- xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
+ xdp_rxq_info_unreg(&ring->xdp_rxq);
ring->rx_buf_len =
xsk_pool_get_rx_frame_size(ring->xsk_pool);
+ err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
+ ring->q_index,
+ ring->q_vector->napi.napi_id,
+ ring->rx_buf_len);
+ if (err)
+ return err;
err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_XSK_BUFF_POOL,
NULL);
@@ -571,13 +579,14 @@ int ice_vsi_cfg_rxq(struct ice_rx_ring *ring)
dev_info(dev, "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n",
ring->q_index);
} else {
- if (!xdp_rxq_info_is_reg(&ring->xdp_rxq))
- /* coverity[check_return] */
- __xdp_rxq_info_reg(&ring->xdp_rxq,
- ring->netdev,
- ring->q_index,
- ring->q_vector->napi.napi_id,
- ring->vsi->rx_buf_len);
+ if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) {
+ err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev,
+ ring->q_index,
+ ring->q_vector->napi.napi_id,
+ ring->rx_buf_len);
+ if (err)
+ return err;
+ }
err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
MEM_TYPE_PAGE_SHARED,
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 74d13cc5a3a7..97d41d6ebf1f 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -513,11 +513,6 @@ int ice_setup_rx_ring(struct ice_rx_ring *rx_ring)
if (ice_is_xdp_ena_vsi(rx_ring->vsi))
WRITE_ONCE(rx_ring->xdp_prog, rx_ring->vsi->xdp_prog);
- if (rx_ring->vsi->type == ICE_VSI_PF &&
- !xdp_rxq_info_is_reg(&rx_ring->xdp_rxq))
- if (xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev,
- rx_ring->q_index, rx_ring->q_vector->napi.napi_id))
- goto err;
return 0;
err:
@@ -603,9 +598,7 @@ out_failure:
ret = ICE_XDP_CONSUMED;
}
exit:
- rx_buf->act = ret;
- if (unlikely(xdp_buff_has_frags(xdp)))
- ice_set_rx_bufs_act(xdp, rx_ring, ret);
+ ice_set_rx_bufs_act(xdp, rx_ring, ret);
}
/**
@@ -893,14 +886,17 @@ ice_add_xdp_frag(struct ice_rx_ring *rx_ring, struct xdp_buff *xdp,
}
if (unlikely(sinfo->nr_frags == MAX_SKB_FRAGS)) {
- if (unlikely(xdp_buff_has_frags(xdp)))
- ice_set_rx_bufs_act(xdp, rx_ring, ICE_XDP_CONSUMED);
+ ice_set_rx_bufs_act(xdp, rx_ring, ICE_XDP_CONSUMED);
return -ENOMEM;
}
__skb_fill_page_desc_noacc(sinfo, sinfo->nr_frags++, rx_buf->page,
rx_buf->page_offset, size);
sinfo->xdp_frags_size += size;
+ /* remember frag count before XDP prog execution; bpf_xdp_adjust_tail()
+ * can pop off frags but driver has to handle it on its own
+ */
+ rx_ring->nr_frags = sinfo->nr_frags;
if (page_is_pfmemalloc(rx_buf->page))
xdp_buff_set_frag_pfmemalloc(xdp);
@@ -1251,6 +1247,7 @@ int ice_clean_rx_irq(struct ice_rx_ring *rx_ring, int budget)
xdp->data = NULL;
rx_ring->first_desc = ntc;
+ rx_ring->nr_frags = 0;
continue;
construct_skb:
if (likely(ice_ring_uses_build_skb(rx_ring)))
@@ -1266,10 +1263,12 @@ construct_skb:
ICE_XDP_CONSUMED);
xdp->data = NULL;
rx_ring->first_desc = ntc;
+ rx_ring->nr_frags = 0;
break;
}
xdp->data = NULL;
rx_ring->first_desc = ntc;
+ rx_ring->nr_frags = 0;
stat_err_bits = BIT(ICE_RX_FLEX_DESC_STATUS0_RXE_S);
if (unlikely(ice_test_staterr(rx_desc->wb.status_error0,
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h
index b3379ff73674..af955b0e5dc5 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.h
@@ -358,6 +358,7 @@ struct ice_rx_ring {
struct ice_tx_ring *xdp_ring;
struct ice_rx_ring *next; /* pointer to next ring in q_vector */
struct xsk_buff_pool *xsk_pool;
+ u32 nr_frags;
dma_addr_t dma; /* physical address of ring */
u16 rx_buf_len;
u8 dcb_tc; /* Traffic class of ring */
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
index 762047508619..afcead4baef4 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.h
@@ -12,26 +12,39 @@
* act: action to store onto Rx buffers related to XDP buffer parts
*
* Set action that should be taken before putting Rx buffer from first frag
- * to one before last. Last one is handled by caller of this function as it
- * is the EOP frag that is currently being processed. This function is
- * supposed to be called only when XDP buffer contains frags.
+ * to the last.
*/
static inline void
ice_set_rx_bufs_act(struct xdp_buff *xdp, const struct ice_rx_ring *rx_ring,
const unsigned int act)
{
- const struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(xdp);
- u32 first = rx_ring->first_desc;
- u32 nr_frags = sinfo->nr_frags;
+ u32 sinfo_frags = xdp_get_shared_info_from_buff(xdp)->nr_frags;
+ u32 nr_frags = rx_ring->nr_frags + 1;
+ u32 idx = rx_ring->first_desc;
u32 cnt = rx_ring->count;
struct ice_rx_buf *buf;
for (int i = 0; i < nr_frags; i++) {
- buf = &rx_ring->rx_buf[first];
+ buf = &rx_ring->rx_buf[idx];
buf->act = act;
- if (++first == cnt)
- first = 0;
+ if (++idx == cnt)
+ idx = 0;
+ }
+
+ /* adjust pagecnt_bias on frags freed by XDP prog */
+ if (sinfo_frags < rx_ring->nr_frags && act == ICE_XDP_CONSUMED) {
+ u32 delta = rx_ring->nr_frags - sinfo_frags;
+
+ while (delta) {
+ if (idx == 0)
+ idx = cnt - 1;
+ else
+ idx--;
+ buf = &rx_ring->rx_buf[idx];
+ buf->pagecnt_bias--;
+ delta--;
+ }
}
}
diff --git a/drivers/net/ethernet/intel/ice/ice_xsk.c b/drivers/net/ethernet/intel/ice/ice_xsk.c
index 5d1ae8e4058a..8b81a1677045 100644
--- a/drivers/net/ethernet/intel/ice/ice_xsk.c
+++ b/drivers/net/ethernet/intel/ice/ice_xsk.c
@@ -825,7 +825,8 @@ ice_add_xsk_frag(struct ice_rx_ring *rx_ring, struct xdp_buff *first,
}
__skb_fill_page_desc_noacc(sinfo, sinfo->nr_frags++,
- virt_to_page(xdp->data_hard_start), 0, size);
+ virt_to_page(xdp->data_hard_start),
+ XDP_PACKET_HEADROOM, size);
sinfo->xdp_frags_size += size;
xsk_buff_add_frag(xdp);
@@ -895,7 +896,6 @@ int ice_clean_rx_irq_zc(struct ice_rx_ring *rx_ring, int budget)
if (!first) {
first = xdp;
- xdp_buff_clear_frags_flag(first);
} else if (ice_add_xsk_frag(rx_ring, first, xdp, size)) {
break;
}
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c
index 5fea2fd957eb..58179bd733ff 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -783,6 +783,8 @@ static int idpf_cfg_netdev(struct idpf_vport *vport)
/* setup watchdog timeout value to be 5 second */
netdev->watchdog_timeo = 5 * HZ;
+ netdev->dev_port = idx;
+
/* configure default MTU size */
netdev->min_mtu = ETH_MIN_MTU;
netdev->max_mtu = vport->max_mtu;
diff --git a/drivers/net/ethernet/litex/litex_liteeth.c b/drivers/net/ethernet/litex/litex_liteeth.c
index 5182fe737c37..ff54fbe41bcc 100644
--- a/drivers/net/ethernet/litex/litex_liteeth.c
+++ b/drivers/net/ethernet/litex/litex_liteeth.c
@@ -318,4 +318,5 @@ static struct platform_driver liteeth_driver = {
module_platform_driver(liteeth_driver);
MODULE_AUTHOR("Joel Stanley <joel@jms.id.au>");
+MODULE_DESCRIPTION("LiteX Liteeth Ethernet driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 820b1fabe297..23adf53c2aa1 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -614,12 +614,38 @@ static void mvpp23_bm_set_8pool_mode(struct mvpp2 *priv)
mvpp2_write(priv, MVPP22_BM_POOL_BASE_ADDR_HIGH_REG, val);
}
+/* Cleanup pool before actual initialization in the OS */
+static void mvpp2_bm_pool_cleanup(struct mvpp2 *priv, int pool_id)
+{
+ unsigned int thread = mvpp2_cpu_to_thread(priv, get_cpu());
+ u32 val;
+ int i;
+
+ /* Drain the BM from all possible residues left by firmware */
+ for (i = 0; i < MVPP2_BM_POOL_SIZE_MAX; i++)
+ mvpp2_thread_read(priv, thread, MVPP2_BM_PHY_ALLOC_REG(pool_id));
+
+ put_cpu();
+
+ /* Stop the BM pool */
+ val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(pool_id));
+ val |= MVPP2_BM_STOP_MASK;
+ mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(pool_id), val);
+}
+
static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
{
enum dma_data_direction dma_dir = DMA_FROM_DEVICE;
int i, err, poolnum = MVPP2_BM_POOLS_NUM;
struct mvpp2_port *port;
+ if (priv->percpu_pools)
+ poolnum = mvpp2_get_nrxqs(priv) * 2;
+
+ /* Clean up the pool state in case it contains stale state */
+ for (i = 0; i < poolnum; i++)
+ mvpp2_bm_pool_cleanup(priv, i);
+
if (priv->percpu_pools) {
for (i = 0; i < priv->port_count; i++) {
port = priv->port_list[i];
@@ -629,7 +655,6 @@ static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
}
}
- poolnum = mvpp2_get_nrxqs(priv) * 2;
for (i = 0; i < poolnum; i++) {
/* the pool in use */
int pn = i / (poolnum / 2);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
index 9690ac01f02c..b92264d0a77e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.c
@@ -413,4 +413,5 @@ const char *otx2_mbox_id2name(u16 id)
EXPORT_SYMBOL(otx2_mbox_id2name);
MODULE_AUTHOR("Marvell.");
+MODULE_DESCRIPTION("Marvell RVU NIC Mbox helpers");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index a7b1f9686c09..4957412ff1f6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1923,6 +1923,7 @@ static void cmd_status_log(struct mlx5_core_dev *dev, u16 opcode, u8 status,
{
const char *namep = mlx5_command_str(opcode);
struct mlx5_cmd_stats *stats;
+ unsigned long flags;
if (!err || !(strcmp(namep, "unknown command opcode")))
return;
@@ -1930,7 +1931,7 @@ static void cmd_status_log(struct mlx5_core_dev *dev, u16 opcode, u8 status,
stats = xa_load(&dev->cmd.stats, opcode);
if (!stats)
return;
- spin_lock_irq(&stats->lock);
+ spin_lock_irqsave(&stats->lock, flags);
stats->failed++;
if (err < 0)
stats->last_failed_errno = -err;
@@ -1939,7 +1940,7 @@ static void cmd_status_log(struct mlx5_core_dev *dev, u16 opcode, u8 status,
stats->last_failed_mbox_status = status;
stats->last_failed_syndrome = syndrome;
}
- spin_unlock_irq(&stats->lock);
+ spin_unlock_irqrestore(&stats->lock, flags);
}
/* preserve -EREMOTEIO for outbox.status != OK, otherwise return err as is */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 0bfe1ca8a364..55c6ace0acd5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -1124,7 +1124,7 @@ static inline bool mlx5_tx_swp_supported(struct mlx5_core_dev *mdev)
extern const struct ethtool_ops mlx5e_ethtool_ops;
int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, u32 *mkey);
-int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
+int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev, bool create_tises);
void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb,
bool enable_mc_lb);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c b/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
index e1283531e0b8..671adbad0a40 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs_tt_redirect.c
@@ -436,6 +436,7 @@ static int fs_any_create_groups(struct mlx5e_flow_table *ft)
in = kvzalloc(inlen, GFP_KERNEL);
if (!in || !ft->g) {
kfree(ft->g);
+ ft->g = NULL;
kvfree(in);
return -ENOMEM;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index 284253b79266..5d213a9886f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -1064,8 +1064,8 @@ void mlx5e_build_sq_param(struct mlx5_core_dev *mdev,
void *wq = MLX5_ADDR_OF(sqc, sqc, wq);
bool allow_swp;
- allow_swp =
- mlx5_geneve_tx_allowed(mdev) || !!mlx5_ipsec_device_caps(mdev);
+ allow_swp = mlx5_geneve_tx_allowed(mdev) ||
+ (mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_CRYPTO);
mlx5e_build_sq_param_common(mdev, param);
MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size);
MLX5_SET(sqc, sqc, allow_swp, allow_swp);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
index c206cc0a8483..078f56a3cbb2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
@@ -213,7 +213,7 @@ static void mlx5e_ptp_handle_ts_cqe(struct mlx5e_ptpsq *ptpsq,
mlx5e_ptpsq_mark_ts_cqes_undelivered(ptpsq, hwtstamp);
out:
napi_consume_skb(skb, budget);
- md_buff[*md_buff_sz++] = metadata_id;
+ md_buff[(*md_buff_sz)++] = metadata_id;
if (unlikely(mlx5e_ptp_metadata_map_unhealthy(&ptpsq->metadata_map)) &&
!test_and_set_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state))
queue_work(ptpsq->txqsq.priv->wq, &ptpsq->report_unhealthy_work);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 161c5190c236..05612d9c6080 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -336,12 +336,17 @@ void mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry,
/* iv len */
aes_gcm->icv_len = x->aead->alg_icv_len;
+ attrs->dir = x->xso.dir;
+
/* esn */
if (x->props.flags & XFRM_STATE_ESN) {
attrs->replay_esn.trigger = true;
attrs->replay_esn.esn = sa_entry->esn_state.esn;
attrs->replay_esn.esn_msb = sa_entry->esn_state.esn_msb;
attrs->replay_esn.overlap = sa_entry->esn_state.overlap;
+ if (attrs->dir == XFRM_DEV_OFFLOAD_OUT)
+ goto skip_replay_window;
+
switch (x->replay_esn->replay_window) {
case 32:
attrs->replay_esn.replay_window =
@@ -365,7 +370,7 @@ void mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry,
}
}
- attrs->dir = x->xso.dir;
+skip_replay_window:
/* spi */
attrs->spi = be32_to_cpu(x->id.spi);
@@ -501,7 +506,8 @@ static int mlx5e_xfrm_validate_state(struct mlx5_core_dev *mdev,
return -EINVAL;
}
- if (x->replay_esn && x->replay_esn->replay_window != 32 &&
+ if (x->replay_esn && x->xso.dir == XFRM_DEV_OFFLOAD_IN &&
+ x->replay_esn->replay_window != 32 &&
x->replay_esn->replay_window != 64 &&
x->replay_esn->replay_window != 128 &&
x->replay_esn->replay_window != 256) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index bb7f86c993e5..e66f486faafe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -254,11 +254,13 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
ft->g = kcalloc(MLX5E_ARFS_NUM_GROUPS,
sizeof(*ft->g), GFP_KERNEL);
- in = kvzalloc(inlen, GFP_KERNEL);
- if (!in || !ft->g) {
- kfree(ft->g);
- kvfree(in);
+ if (!ft->g)
return -ENOMEM;
+
+ in = kvzalloc(inlen, GFP_KERNEL);
+ if (!in) {
+ err = -ENOMEM;
+ goto err_free_g;
}
mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
@@ -278,7 +280,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}
switch (type) {
@@ -300,7 +302,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
@@ -309,7 +311,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;
memset(in, 0, inlen);
@@ -318,18 +320,20 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;
kvfree(in);
return 0;
-err:
+err_clean_group:
err = PTR_ERR(ft->g[ft->num_groups]);
ft->g[ft->num_groups] = NULL;
-out:
+err_free_in:
kvfree(in);
-
+err_free_g:
+ kfree(ft->g);
+ ft->g = NULL;
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
index 67f546683e85..6ed3a32b7e22 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c
@@ -95,7 +95,7 @@ static void mlx5e_destroy_tises(struct mlx5_core_dev *mdev, u32 tisn[MLX5_MAX_PO
{
int tc, i;
- for (i = 0; i < MLX5_MAX_PORTS; i++)
+ for (i = 0; i < mlx5e_get_num_lag_ports(mdev); i++)
for (tc = 0; tc < MLX5_MAX_NUM_TC; tc++)
mlx5e_destroy_tis(mdev, tisn[i][tc]);
}
@@ -110,7 +110,7 @@ static int mlx5e_create_tises(struct mlx5_core_dev *mdev, u32 tisn[MLX5_MAX_PORT
int tc, i;
int err;
- for (i = 0; i < MLX5_MAX_PORTS; i++) {
+ for (i = 0; i < mlx5e_get_num_lag_ports(mdev); i++) {
for (tc = 0; tc < MLX5_MAX_NUM_TC; tc++) {
u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {};
void *tisc;
@@ -140,7 +140,7 @@ err_close_tises:
return err;
}
-int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
+int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev, bool create_tises)
{
struct mlx5e_hw_objs *res = &mdev->mlx5e_res.hw_objs;
int err;
@@ -169,11 +169,15 @@ int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev)
goto err_destroy_mkey;
}
- err = mlx5e_create_tises(mdev, res->tisn);
- if (err) {
- mlx5_core_err(mdev, "alloc tises failed, %d\n", err);
- goto err_destroy_bfreg;
+ if (create_tises) {
+ err = mlx5e_create_tises(mdev, res->tisn);
+ if (err) {
+ mlx5_core_err(mdev, "alloc tises failed, %d\n", err);
+ goto err_destroy_bfreg;
+ }
+ res->tisn_valid = true;
}
+
INIT_LIST_HEAD(&res->td.tirs_list);
mutex_init(&res->td.list_lock);
@@ -203,7 +207,8 @@ void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev)
mlx5_crypto_dek_cleanup(mdev->mlx5e_res.dek_priv);
mdev->mlx5e_res.dek_priv = NULL;
- mlx5e_destroy_tises(mdev, res->tisn);
+ if (res->tisn_valid)
+ mlx5e_destroy_tises(mdev, res->tisn);
mlx5_free_bfreg(mdev, &res->bfreg);
mlx5_core_destroy_mkey(mdev, res->mkey);
mlx5_core_dealloc_transport_domain(mdev, res->td.tdn);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b5f1c4ca38ba..c8e8f512803e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5992,7 +5992,7 @@ static int mlx5e_resume(struct auxiliary_device *adev)
if (netif_device_present(netdev))
return 0;
- err = mlx5e_create_mdev_resources(mdev);
+ err = mlx5e_create_mdev_resources(mdev, true);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 30932c9c9a8f..9fb2c057bd78 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -761,7 +761,7 @@ static int mlx5e_hairpin_create_indirect_rqt(struct mlx5e_hairpin *hp)
err = mlx5e_rss_params_indir_init(&indir, mdev,
mlx5e_rqt_size(mdev, hp->num_channels),
- mlx5e_rqt_size(mdev, priv->max_nch));
+ mlx5e_rqt_size(mdev, hp->num_channels));
if (err)
return err;
@@ -2014,9 +2014,10 @@ static void mlx5e_tc_del_fdb_peer_flow(struct mlx5e_tc_flow *flow,
list_for_each_entry_safe(peer_flow, tmp, &flow->peer_flows, peer_flows) {
if (peer_index != mlx5_get_dev_index(peer_flow->priv->mdev))
continue;
+
+ list_del(&peer_flow->peer_flows);
if (refcount_dec_and_test(&peer_flow->refcnt)) {
mlx5e_tc_del_fdb_flow(peer_flow->priv, peer_flow);
- list_del(&peer_flow->peer_flows);
kfree(peer_flow);
}
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_mcast.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_mcast.c
index a7ed87e9d842..22dd30cf8033 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_mcast.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_mcast.c
@@ -83,6 +83,7 @@ mlx5_esw_bridge_mdb_flow_create(u16 esw_owner_vhca_id, struct mlx5_esw_bridge_md
i++;
}
+ rule_spec->flow_context.flags |= FLOW_CONTEXT_UPLINK_HAIRPIN_EN;
rule_spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
dmac_v = MLX5_ADDR_OF(fte_match_param, rule_spec->match_value, outer_headers.dmac_47_16);
ether_addr_copy(dmac_v, entry->key.addr);
@@ -587,6 +588,7 @@ mlx5_esw_bridge_mcast_vlan_flow_create(u16 vlan_proto, struct mlx5_esw_bridge_po
if (!rule_spec)
return ERR_PTR(-ENOMEM);
+ rule_spec->flow_context.flags |= FLOW_CONTEXT_UPLINK_HAIRPIN_EN;
rule_spec->match_criteria_enable = MLX5_MATCH_OUTER_HEADERS;
flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
@@ -662,6 +664,7 @@ mlx5_esw_bridge_mcast_fwd_flow_create(struct mlx5_esw_bridge_port *port)
dest.vport.flags = MLX5_FLOW_DEST_VPORT_VHCA_ID;
dest.vport.vhca_id = port->esw_owner_vhca_id;
}
+ rule_spec->flow_context.flags |= FLOW_CONTEXT_UPLINK_HAIRPIN_EN;
handle = mlx5_add_flow_rules(port->mcast.ft, rule_spec, &flow_act, &dest, 1);
kvfree(rule_spec);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 1616a6144f7b..9b8599c200e2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -566,6 +566,8 @@ static int mlx5_cmd_set_fte(struct mlx5_core_dev *dev,
fte->flow_context.flow_tag);
MLX5_SET(flow_context, in_flow_context, flow_source,
fte->flow_context.flow_source);
+ MLX5_SET(flow_context, in_flow_context, uplink_hairpin_en,
+ !!(fte->flow_context.flags & FLOW_CONTEXT_UPLINK_HAIRPIN_EN));
MLX5_SET(flow_context, in_flow_context, extended_destination,
extended_dest);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 58845121954c..d77be1b4dd9c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -783,7 +783,7 @@ static int mlx5_rdma_setup_rn(struct ib_device *ibdev, u32 port_num,
}
/* This should only be called once per mdev */
- err = mlx5e_create_mdev_resources(mdev);
+ err = mlx5e_create_mdev_resources(mdev, false);
if (err)
goto destroy_ht;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.c
index 40c7be124041..58bd749b5e4d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/aso.c
@@ -98,7 +98,7 @@ static int create_aso_cq(struct mlx5_aso_cq *cq, void *cqc_data)
mlx5_fill_page_frag_array(&cq->wq_ctrl.buf,
(__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas));
- MLX5_SET(cqc, cqc, cq_period_mode, DIM_CQ_PERIOD_MODE_START_FROM_EQE);
+ MLX5_SET(cqc, cqc, cq_period_mode, MLX5_CQ_PERIOD_MODE_START_FROM_EQE);
MLX5_SET(cqc, cqc, c_eqn_or_apu_element, eqn);
MLX5_SET(cqc, cqc, uar_page, mdev->priv.uar->index);
MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift -
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index 6f9790e97fed..2ebb61ef3ea9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -788,6 +788,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
switch (action_type) {
case DR_ACTION_TYP_DROP:
attr.final_icm_addr = nic_dmn->drop_icm_addr;
+ attr.hit_gvmi = nic_dmn->drop_icm_addr >> 48;
break;
case DR_ACTION_TYP_FT:
dest_action = action;
@@ -873,11 +874,17 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
action->sampler->tx_icm_addr;
break;
case DR_ACTION_TYP_VPORT:
- attr.hit_gvmi = action->vport->caps->vhca_gvmi;
- dest_action = action;
- attr.final_icm_addr = rx_rule ?
- action->vport->caps->icm_address_rx :
- action->vport->caps->icm_address_tx;
+ if (unlikely(rx_rule && action->vport->caps->num == MLX5_VPORT_UPLINK)) {
+ /* can't go to uplink on RX rule - dropping instead */
+ attr.final_icm_addr = nic_dmn->drop_icm_addr;
+ attr.hit_gvmi = nic_dmn->drop_icm_addr >> 48;
+ } else {
+ attr.hit_gvmi = action->vport->caps->vhca_gvmi;
+ dest_action = action;
+ attr.final_icm_addr = rx_rule ?
+ action->vport->caps->icm_address_rx :
+ action->vport->caps->icm_address_tx;
+ }
break;
case DR_ACTION_TYP_POP_VLAN:
if (!rx_rule && !(dmn->ste_ctx->actions_caps &
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index 21753f327868..1005bb6935b6 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -440,6 +440,27 @@ out:
}
EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_system_image_guid);
+int mlx5_query_nic_vport_sd_group(struct mlx5_core_dev *mdev, u8 *sd_group)
+{
+ int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
+ u32 *out;
+ int err;
+
+ out = kvzalloc(outlen, GFP_KERNEL);
+ if (!out)
+ return -ENOMEM;
+
+ err = mlx5_query_nic_vport_context(mdev, 0, out);
+ if (err)
+ goto out;
+
+ *sd_group = MLX5_GET(query_nic_vport_context_out, out,
+ nic_vport_context.sd_group);
+out:
+ kvfree(out);
+ return err;
+}
+
int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
{
u32 *out;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index a0e46369ae15..b334eb16da23 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -7542,6 +7542,9 @@ int stmmac_dvr_probe(struct device *device,
dev_err(priv->device, "unable to bring out of ahb reset: %pe\n",
ERR_PTR(ret));
+ /* Wait a bit for the reset to take effect */
+ udelay(10);
+
/* Init MAC and get the capabilities */
ret = stmmac_hw_init(priv);
if (ret)
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index 704e949484d0..b9b5554ea862 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -221,21 +221,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)
mem_size = FJES_DEV_REQ_BUF_SIZE(hw->max_epid);
hw->hw_info.req_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.req_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.req_buf)) {
+ result = -ENOMEM;
+ goto free_ep_info;
+ }
hw->hw_info.req_buf_size = mem_size;
mem_size = FJES_DEV_RES_BUF_SIZE(hw->max_epid);
hw->hw_info.res_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.res_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.res_buf)) {
+ result = -ENOMEM;
+ goto free_req_buf;
+ }
hw->hw_info.res_buf_size = mem_size;
result = fjes_hw_alloc_shared_status_region(hw);
if (result)
- return result;
+ goto free_res_buf;
hw->hw_info.buffer_share_bit = 0;
hw->hw_info.buffer_unshare_reserve_bit = 0;
@@ -246,11 +250,11 @@ static int fjes_hw_setup(struct fjes_hw *hw)
result = fjes_hw_alloc_epbuf(&buf_pair->tx);
if (result)
- return result;
+ goto free_epbuf;
result = fjes_hw_alloc_epbuf(&buf_pair->rx);
if (result)
- return result;
+ goto free_epbuf;
spin_lock_irqsave(&hw->rx_status_lock, flags);
fjes_hw_setup_epbuf(&buf_pair->tx, mac,
@@ -273,6 +277,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)
fjes_hw_init_command_registers(hw, &param);
return 0;
+
+free_epbuf:
+ for (epidx = 0; epidx < hw->max_epid ; epidx++) {
+ if (epidx == hw->my_epid)
+ continue;
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].tx);
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].rx);
+ }
+ fjes_hw_free_shared_status_region(hw);
+free_res_buf:
+ kfree(hw->hw_info.res_buf);
+ hw->hw_info.res_buf = NULL;
+free_req_buf:
+ kfree(hw->hw_info.req_buf);
+ hw->hw_info.req_buf = NULL;
+free_ep_info:
+ kfree(hw->ep_shm_info);
+ hw->ep_shm_info = NULL;
+ return result;
}
static void fjes_hw_cleanup(struct fjes_hw *hw)
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 4406427d4617..273bd8a20122 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -44,7 +44,7 @@
static unsigned int ring_size __ro_after_init = 128;
module_param(ring_size, uint, 0444);
-MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
+MODULE_PARM_DESC(ring_size, "Ring buffer size (# of 4K pages)");
unsigned int netvsc_ring_bytes __ro_after_init;
static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE |
@@ -2807,7 +2807,7 @@ static int __init netvsc_drv_init(void)
pr_info("Increased ring_size to %u (min allowed)\n",
ring_size);
}
- netvsc_ring_bytes = ring_size * PAGE_SIZE;
+ netvsc_ring_bytes = VMBUS_RING_SIZE(ring_size * 4096);
register_netdevice_notifier(&netvsc_netdev_notifier);
diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c
index e34816638569..7f5426285c61 100644
--- a/drivers/net/macsec.c
+++ b/drivers/net/macsec.c
@@ -607,11 +607,26 @@ static struct sk_buff *macsec_encrypt(struct sk_buff *skb,
return ERR_PTR(-EINVAL);
}
- ret = skb_ensure_writable_head_tail(skb, dev);
- if (unlikely(ret < 0)) {
- macsec_txsa_put(tx_sa);
- kfree_skb(skb);
- return ERR_PTR(ret);
+ if (unlikely(skb_headroom(skb) < MACSEC_NEEDED_HEADROOM ||
+ skb_tailroom(skb) < MACSEC_NEEDED_TAILROOM)) {
+ struct sk_buff *nskb = skb_copy_expand(skb,
+ MACSEC_NEEDED_HEADROOM,
+ MACSEC_NEEDED_TAILROOM,
+ GFP_ATOMIC);
+ if (likely(nskb)) {
+ consume_skb(skb);
+ skb = nskb;
+ } else {
+ macsec_txsa_put(tx_sa);
+ kfree_skb(skb);
+ return ERR_PTR(-ENOMEM);
+ }
+ } else {
+ skb = skb_unshare(skb, GFP_ATOMIC);
+ if (!skb) {
+ macsec_txsa_put(tx_sa);
+ return ERR_PTR(-ENOMEM);
+ }
}
unprotected_len = skb->len;
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 81c20eb4b54b..dad720138baa 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -120,6 +120,11 @@
*/
#define LAN8814_1PPM_FORMAT 17179
+#define PTP_RX_VERSION 0x0248
+#define PTP_TX_VERSION 0x0288
+#define PTP_MAX_VERSION(x) (((x) & GENMASK(7, 0)) << 8)
+#define PTP_MIN_VERSION(x) ((x) & GENMASK(7, 0))
+
#define PTP_RX_MOD 0x024F
#define PTP_RX_MOD_BAD_UDPV4_CHKSUM_FORCE_FCS_DIS_ BIT(3)
#define PTP_RX_TIMESTAMP_EN 0x024D
@@ -3150,6 +3155,12 @@ static void lan8814_ptp_init(struct phy_device *phydev)
lanphy_write_page_reg(phydev, 5, PTP_TX_PARSE_IP_ADDR_EN, 0);
lanphy_write_page_reg(phydev, 5, PTP_RX_PARSE_IP_ADDR_EN, 0);
+ /* Disable checking for minorVersionPTP field */
+ lanphy_write_page_reg(phydev, 5, PTP_RX_VERSION,
+ PTP_MAX_VERSION(0xff) | PTP_MIN_VERSION(0x0));
+ lanphy_write_page_reg(phydev, 5, PTP_TX_VERSION,
+ PTP_MAX_VERSION(0xff) | PTP_MIN_VERSION(0x0));
+
skb_queue_head_init(&ptp_priv->tx_queue);
skb_queue_head_init(&ptp_priv->rx_queue);
INIT_LIST_HEAD(&ptp_priv->rx_ts_list);
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index afa5497f7c35..4a4f8c8e79fa 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1630,13 +1630,19 @@ static int tun_xdp_act(struct tun_struct *tun, struct bpf_prog *xdp_prog,
switch (act) {
case XDP_REDIRECT:
err = xdp_do_redirect(tun->dev, xdp, xdp_prog);
- if (err)
+ if (err) {
+ dev_core_stats_rx_dropped_inc(tun->dev);
return err;
+ }
+ dev_sw_netstats_rx_add(tun->dev, xdp->data_end - xdp->data);
break;
case XDP_TX:
err = tun_xdp_tx(tun->dev, xdp);
- if (err < 0)
+ if (err < 0) {
+ dev_core_stats_rx_dropped_inc(tun->dev);
return err;
+ }
+ dev_sw_netstats_rx_add(tun->dev, xdp->data_end - xdp->data);
break;
case XDP_PASS:
break;
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 7e3b6779f4e9..02e160d831be 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -368,10 +368,6 @@ struct ath11k_vif {
struct ieee80211_chanctx_conf chanctx;
struct ath11k_arp_ns_offload arp_ns_offload;
struct ath11k_rekey_data rekey_data;
-
-#ifdef CONFIG_ATH11K_DEBUGFS
- struct dentry *debugfs_twt;
-#endif /* CONFIG_ATH11K_DEBUGFS */
};
struct ath11k_vif_iter {
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index a847bc0d50c0..a48e737ef35d 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -1894,35 +1894,30 @@ static const struct file_operations ath11k_fops_twt_resume_dialog = {
.open = simple_open
};
-void ath11k_debugfs_add_interface(struct ath11k_vif *arvif)
+void ath11k_debugfs_op_vif_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
{
+ struct ath11k_vif *arvif = ath11k_vif_to_arvif(vif);
struct ath11k_base *ab = arvif->ar->ab;
+ struct dentry *debugfs_twt;
if (arvif->vif->type != NL80211_IFTYPE_AP &&
!(arvif->vif->type == NL80211_IFTYPE_STATION &&
test_bit(WMI_TLV_SERVICE_STA_TWT, ab->wmi_ab.svc_map)))
return;
- arvif->debugfs_twt = debugfs_create_dir("twt",
- arvif->vif->debugfs_dir);
- debugfs_create_file("add_dialog", 0200, arvif->debugfs_twt,
+ debugfs_twt = debugfs_create_dir("twt",
+ arvif->vif->debugfs_dir);
+ debugfs_create_file("add_dialog", 0200, debugfs_twt,
arvif, &ath11k_fops_twt_add_dialog);
- debugfs_create_file("del_dialog", 0200, arvif->debugfs_twt,
+ debugfs_create_file("del_dialog", 0200, debugfs_twt,
arvif, &ath11k_fops_twt_del_dialog);
- debugfs_create_file("pause_dialog", 0200, arvif->debugfs_twt,
+ debugfs_create_file("pause_dialog", 0200, debugfs_twt,
arvif, &ath11k_fops_twt_pause_dialog);
- debugfs_create_file("resume_dialog", 0200, arvif->debugfs_twt,
+ debugfs_create_file("resume_dialog", 0200, debugfs_twt,
arvif, &ath11k_fops_twt_resume_dialog);
}
-void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif)
-{
- if (!arvif->debugfs_twt)
- return;
-
- debugfs_remove_recursive(arvif->debugfs_twt);
- arvif->debugfs_twt = NULL;
-}
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.h b/drivers/net/wireless/ath/ath11k/debugfs.h
index 44d15845f39a..a39e458637b0 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.h
+++ b/drivers/net/wireless/ath/ath11k/debugfs.h
@@ -307,8 +307,8 @@ static inline int ath11k_debugfs_rx_filter(struct ath11k *ar)
return ar->debug.rx_filter;
}
-void ath11k_debugfs_add_interface(struct ath11k_vif *arvif);
-void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif);
+void ath11k_debugfs_op_vif_add(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif);
void ath11k_debugfs_add_dbring_entry(struct ath11k *ar,
enum wmi_direct_buffer_module id,
enum ath11k_dbg_dbr_event event,
@@ -387,14 +387,6 @@ static inline int ath11k_debugfs_get_fw_stats(struct ath11k *ar,
return 0;
}
-static inline void ath11k_debugfs_add_interface(struct ath11k_vif *arvif)
-{
-}
-
-static inline void ath11k_debugfs_remove_interface(struct ath11k_vif *arvif)
-{
-}
-
static inline void
ath11k_debugfs_add_dbring_entry(struct ath11k *ar,
enum wmi_direct_buffer_module id,
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index db241589424d..b13525bbbb80 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -6756,13 +6756,6 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
goto err;
}
- /* In the case of hardware recovery, debugfs files are
- * not deleted since ieee80211_ops.remove_interface() is
- * not invoked. In such cases, try to delete the files.
- * These will be re-created later.
- */
- ath11k_debugfs_remove_interface(arvif);
-
memset(arvif, 0, sizeof(*arvif));
arvif->ar = ar;
@@ -6939,8 +6932,6 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
ath11k_dp_vdev_tx_attach(ar, arvif);
- ath11k_debugfs_add_interface(arvif);
-
if (vif->type != NL80211_IFTYPE_MONITOR &&
test_bit(ATH11K_FLAG_MONITOR_CONF_ENABLED, &ar->monitor_flags)) {
ret = ath11k_mac_monitor_vdev_create(ar);
@@ -7056,8 +7047,6 @@ err_vdev_del:
/* Recalc txpower for remaining vdev */
ath11k_mac_txpower_recalc(ar);
- ath11k_debugfs_remove_interface(arvif);
-
/* TODO: recal traffic pause state based on the available vdevs */
mutex_unlock(&ar->conf_mutex);
@@ -9153,6 +9142,7 @@ static const struct ieee80211_ops ath11k_ops = {
#endif
#ifdef CONFIG_ATH11K_DEBUGFS
+ .vif_add_debugfs = ath11k_debugfs_op_vif_add,
.sta_add_debugfs = ath11k_debugfs_sta_op_add,
#endif
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index 3b14f6476743..72075720969c 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2018-2023 Intel Corporation
+ * Copyright (C) 2018-2024 Intel Corporation
*/
#include <linux/firmware.h>
#include "iwl-drv.h"
@@ -1096,7 +1096,7 @@ static int iwl_dbg_tlv_override_trig_node(struct iwl_fw_runtime *fwrt,
node_trig = (void *)node_tlv->data;
}
- memcpy(node_trig->data + offset, trig->data, trig_data_len);
+ memcpy((u8 *)node_trig->data + offset, trig->data, trig_data_len);
node_tlv->length = cpu_to_le32(size);
if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_CFG) {
diff --git a/drivers/net/wireless/intersil/p54/fwio.c b/drivers/net/wireless/intersil/p54/fwio.c
index b52cce38115d..c4fe70e05b9b 100644
--- a/drivers/net/wireless/intersil/p54/fwio.c
+++ b/drivers/net/wireless/intersil/p54/fwio.c
@@ -125,7 +125,7 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw)
"FW rev %s - Softmac protocol %x.%x\n",
fw_version, priv->fw_var >> 8, priv->fw_var & 0xff);
snprintf(dev->wiphy->fw_version, sizeof(dev->wiphy->fw_version),
- "%s - %x.%x", fw_version,
+ "%.19s - %x.%x", fw_version,
priv->fw_var >> 8, priv->fw_var & 0xff);
}
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 88f760a7cbc3..d7503aef599f 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -463,12 +463,25 @@ static void xenvif_get_requests(struct xenvif_queue *queue,
}
for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS;
- shinfo->nr_frags++, gop++, nr_slots--) {
+ nr_slots--) {
+ if (unlikely(!txp->size)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&queue->response_lock, flags);
+ make_tx_response(queue, txp, 0, XEN_NETIF_RSP_OKAY);
+ push_tx_responses(queue);
+ spin_unlock_irqrestore(&queue->response_lock, flags);
+ ++txp;
+ continue;
+ }
+
index = pending_index(queue->pending_cons++);
pending_idx = queue->pending_ring[index];
xenvif_tx_create_map_op(queue, pending_idx, txp,
txp == first ? extra_count : 0, gop);
frag_set_pending_idx(&frags[shinfo->nr_frags], pending_idx);
+ ++shinfo->nr_frags;
+ ++gop;
if (txp == first)
txp = txfrags;
@@ -481,20 +494,39 @@ static void xenvif_get_requests(struct xenvif_queue *queue,
shinfo = skb_shinfo(nskb);
frags = shinfo->frags;
- for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots;
- shinfo->nr_frags++, txp++, gop++) {
+ for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; ++txp) {
+ if (unlikely(!txp->size)) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&queue->response_lock, flags);
+ make_tx_response(queue, txp, 0,
+ XEN_NETIF_RSP_OKAY);
+ push_tx_responses(queue);
+ spin_unlock_irqrestore(&queue->response_lock,
+ flags);
+ continue;
+ }
+
index = pending_index(queue->pending_cons++);
pending_idx = queue->pending_ring[index];
xenvif_tx_create_map_op(queue, pending_idx, txp, 0,
gop);
frag_set_pending_idx(&frags[shinfo->nr_frags],
pending_idx);
+ ++shinfo->nr_frags;
+ ++gop;
}
- skb_shinfo(skb)->frag_list = nskb;
- } else if (nskb) {
+ if (shinfo->nr_frags) {
+ skb_shinfo(skb)->frag_list = nskb;
+ nskb = NULL;
+ }
+ }
+
+ if (nskb) {
/* A frag_list skb was allocated but it is no longer needed
- * because enough slots were converted to copy ops above.
+ * because enough slots were converted to copy ops above or some
+ * were empty.
*/
kfree_skb(nskb);
}