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net/mlx5e: Ethtool steering, Support masks for l3/l4 filters 

Allow using partial masks for L3 addresses and L4 ports across
the place.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Or Gerlitz 2018-08-16 21:38:22 +03:00 committed by Saeed Mahameed
parent 804fe108fc
commit 3a95e0ccaf
1 changed files with 16 additions and 40 deletions
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56
drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
View File

@ -131,14 +131,14 @@ set_ip4(void *headers_c, void *headers_v, __be32 ip4src_m,
if (ip4src_m) {
memcpy(MLX5E_FTE_ADDR_OF(headers_v, src_ipv4_src_ipv6.ipv4_layout.ipv4),
&ip4src_v, sizeof(ip4src_v));
memset(MLX5E_FTE_ADDR_OF(headers_c, src_ipv4_src_ipv6.ipv4_layout.ipv4),
0xff, sizeof(ip4src_m));
memcpy(MLX5E_FTE_ADDR_OF(headers_c, src_ipv4_src_ipv6.ipv4_layout.ipv4),
&ip4src_m, sizeof(ip4src_m));
}
if (ip4dst_m) {
memcpy(MLX5E_FTE_ADDR_OF(headers_v, dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
&ip4dst_v, sizeof(ip4dst_v));
memset(MLX5E_FTE_ADDR_OF(headers_c, dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
0xff, sizeof(ip4dst_m));
memcpy(MLX5E_FTE_ADDR_OF(headers_c, dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
&ip4dst_m, sizeof(ip4dst_m));
}
MLX5E_FTE_SET(headers_c, ethertype, 0xffff);
@ -173,11 +173,11 @@ set_tcp(void *headers_c, void *headers_v, __be16 psrc_m, __be16 psrc_v,
__be16 pdst_m, __be16 pdst_v)
{
if (psrc_m) {
MLX5E_FTE_SET(headers_c, tcp_sport, 0xffff);
MLX5E_FTE_SET(headers_c, tcp_sport, ntohs(psrc_m));
MLX5E_FTE_SET(headers_v, tcp_sport, ntohs(psrc_v));
}
if (pdst_m) {
MLX5E_FTE_SET(headers_c, tcp_dport, 0xffff);
MLX5E_FTE_SET(headers_c, tcp_dport, ntohs(pdst_m));
MLX5E_FTE_SET(headers_v, tcp_dport, ntohs(pdst_v));
}
@ -190,12 +190,12 @@ set_udp(void *headers_c, void *headers_v, __be16 psrc_m, __be16 psrc_v,
__be16 pdst_m, __be16 pdst_v)
{
if (psrc_m) {
MLX5E_FTE_SET(headers_c, udp_sport, 0xffff);
MLX5E_FTE_SET(headers_c, udp_sport, ntohs(psrc_m));
MLX5E_FTE_SET(headers_v, udp_sport, ntohs(psrc_v));
}
if (pdst_m) {
MLX5E_FTE_SET(headers_c, udp_dport, 0xffff);
MLX5E_FTE_SET(headers_c, udp_dport, ntohs(pdst_m));
MLX5E_FTE_SET(headers_v, udp_dport, ntohs(pdst_v));
}
@ -508,26 +508,14 @@ static int validate_tcpudp4(struct ethtool_rx_flow_spec *fs)
if (l4_mask->tos)
return -EINVAL;
if (l4_mask->ip4src) {
if (!all_ones(l4_mask->ip4src))
return -EINVAL;
if (l4_mask->ip4src)
ntuples++;
}
if (l4_mask->ip4dst) {
if (!all_ones(l4_mask->ip4dst))
return -EINVAL;
if (l4_mask->ip4dst)
ntuples++;
}
if (l4_mask->psrc) {
if (!all_ones(l4_mask->psrc))
return -EINVAL;
if (l4_mask->psrc)
ntuples++;
}
if (l4_mask->pdst) {
if (!all_ones(l4_mask->pdst))
return -EINVAL;
if (l4_mask->pdst)
ntuples++;
}
/* Flow is TCP/UDP */
return ++ntuples;
}
@ -540,16 +528,10 @@ static int validate_ip4(struct ethtool_rx_flow_spec *fs)
if (l3_mask->l4_4_bytes || l3_mask->tos ||
fs->h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4)
return -EINVAL;
if (l3_mask->ip4src) {
if (!all_ones(l3_mask->ip4src))
return -EINVAL;
if (l3_mask->ip4src)
ntuples++;
}
if (l3_mask->ip4dst) {
if (!all_ones(l3_mask->ip4dst))
return -EINVAL;
if (l3_mask->ip4dst)
ntuples++;
}
if (l3_mask->proto)
ntuples++;
/* Flow is IPv4 */
@ -588,16 +570,10 @@ static int validate_tcpudp6(struct ethtool_rx_flow_spec *fs)
if (!ipv6_addr_any((struct in6_addr *)l4_mask->ip6dst))
ntuples++;
if (l4_mask->psrc) {
if (!all_ones(l4_mask->psrc))
return -EINVAL;
if (l4_mask->psrc)
ntuples++;
}
if (l4_mask->pdst) {
if (!all_ones(l4_mask->pdst))
return -EINVAL;
if (l4_mask->pdst)
ntuples++;
}
/* Flow is TCP/UDP */
return ++ntuples;
}