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Merge branch 'mlx5-fixes' 

Saeed Mahameed says:

====================
Mellanox 100G mlx5 fixes 2016-09-07

The following series contains bug fixes for the mlx5e driver.

from Gal,
	- Static code checker cleanup (casting overflow)
	- Fix global PFC counter statistics reading
	- Fix HW LRO when vlan stripping is off

From Bodong,
	- Deprecate old autoneg capability bit and use new one.

From Tariq,
	- Fix xmit more counter race condition
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-09-08 16:15:29 -07:00
parent 76061f631c cd17d230dd
commit 81d1a366ff
4 changed files with 24 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -331,7 +331,7 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev,
if (mlx5e_query_global_pause_combined(priv)) {
for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) {
data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0],
pport_per_prio_pfc_stats_desc, 0);
pport_per_prio_pfc_stats_desc, i);
}
}
@ -659,9 +659,10 @@ static int mlx5e_set_coalesce(struct net_device *netdev,
static void ptys2ethtool_supported_link(unsigned long *supported_modes,
u32 eth_proto_cap)
{
unsigned long proto_cap = eth_proto_cap;
int proto;
for_each_set_bit(proto, (unsigned long *)&eth_proto_cap, MLX5E_LINK_MODES_NUMBER)
for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
bitmap_or(supported_modes, supported_modes,
ptys2ethtool_table[proto].supported,
__ETHTOOL_LINK_MODE_MASK_NBITS);
@ -670,9 +671,10 @@ static void ptys2ethtool_supported_link(unsigned long *supported_modes,
static void ptys2ethtool_adver_link(unsigned long *advertising_modes,
u32 eth_proto_cap)
{
unsigned long proto_cap = eth_proto_cap;
int proto;
for_each_set_bit(proto, (unsigned long *)&eth_proto_cap, MLX5E_LINK_MODES_NUMBER)
for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER)
bitmap_or(advertising_modes, advertising_modes,
ptys2ethtool_table[proto].advertised,
__ETHTOOL_LINK_MODE_MASK_NBITS);

22
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
View File

@ -637,24 +637,32 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
u32 cqe_bcnt)
{
struct ethhdr *eth = (struct ethhdr *)(skb->data);
struct iphdr *ipv4 = (struct iphdr *)(skb->data + ETH_HLEN);
struct ipv6hdr *ipv6 = (struct ipv6hdr *)(skb->data + ETH_HLEN);
struct ethhdr *eth = (struct ethhdr *)(skb->data);
struct iphdr *ipv4;
struct ipv6hdr *ipv6;
struct tcphdr *tcp;
int network_depth = 0;
__be16 proto;
u16 tot_len;
u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe);
int tcp_ack = ((CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA == l4_hdr_type) ||
(CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA == l4_hdr_type));
u16 tot_len = cqe_bcnt - ETH_HLEN;
skb->mac_len = ETH_HLEN;
proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth);
if (eth->h_proto == htons(ETH_P_IP)) {
tcp = (struct tcphdr *)(skb->data + ETH_HLEN +
ipv4 = (struct iphdr *)(skb->data + network_depth);
ipv6 = (struct ipv6hdr *)(skb->data + network_depth);
tot_len = cqe_bcnt - network_depth;
if (proto == htons(ETH_P_IP)) {
tcp = (struct tcphdr *)(skb->data + network_depth +
sizeof(struct iphdr));
ipv6 = NULL;
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4;
} else {
tcp = (struct tcphdr *)(skb->data + ETH_HLEN +
tcp = (struct tcphdr *)(skb->data + network_depth +
sizeof(struct ipv6hdr));
ipv4 = NULL;
skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6;

2
drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
View File

@ -356,6 +356,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
sq->stats.stopped++;
}
sq->stats.xmit_more += skb->xmit_more;
if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) {
int bf_sz = 0;
@ -375,7 +376,6 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb)
sq->stats.packets++;
sq->stats.bytes += num_bytes;
sq->stats.xmit_more += skb->xmit_more;
return NETDEV_TX_OK;
dma_unmap_wqe_err:

5
include/linux/mlx5/mlx5_ifc.h
View File

@ -6710,9 +6710,10 @@ struct mlx5_ifc_pude_reg_bits {
};
struct mlx5_ifc_ptys_reg_bits {
u8 an_disable_cap[0x1];
u8 reserved_at_0[0x1];
u8 an_disable_admin[0x1];
u8 reserved_at_2[0x6];
u8 an_disable_cap[0x1];
u8 reserved_at_3[0x5];
u8 local_port[0x8];
u8 reserved_at_10[0xd];
u8 proto_mask[0x3];