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net/mlx5e: Ethtool steering, l4 proto support 

Add support for l4 proto ip field in ethtool flow steering.

Example: Redirect icmpv6 to rx queue #2

ethtool -U eth0 flow-type ip6 l4proto 58 action 2

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Saeed Mahameed 2018-07-08 00:24:21 -07:00
parent ca7deb028a
commit 974ce34a0c
1 changed files with 16 additions and 3 deletions
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19
drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c
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@ -237,6 +237,11 @@ parse_ip4(void *headers_c, void *headers_v, struct ethtool_rx_flow_spec *fs)
set_ip4(headers_c, headers_v, l3_mask->ip4src, l3_val->ip4src,
l3_mask->ip4dst, l3_val->ip4dst);
if (l3_mask->proto) {
MLX5E_FTE_SET(headers_c, ip_protocol, l3_mask->proto);
MLX5E_FTE_SET(headers_v, ip_protocol, l3_val->proto);
}
}
static void
@ -247,6 +252,11 @@ parse_ip6(void *headers_c, void *headers_v, struct ethtool_rx_flow_spec *fs)
set_ip6(headers_c, headers_v, l3_mask->ip6src,
l3_val->ip6src, l3_mask->ip6dst, l3_val->ip6dst);
if (l3_mask->l4_proto) {
MLX5E_FTE_SET(headers_c, ip_protocol, l3_mask->l4_proto);
MLX5E_FTE_SET(headers_v, ip_protocol, l3_val->l4_proto);
}
}
static void
@ -527,7 +537,7 @@ static int validate_ip4(struct ethtool_rx_flow_spec *fs)
struct ethtool_usrip4_spec *l3_mask = &fs->m_u.usr_ip4_spec;
int ntuples = 0;
if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
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) {
@ -540,6 +550,8 @@ static int validate_ip4(struct ethtool_rx_flow_spec *fs)
return -EINVAL;
ntuples++;
}
if (l3_mask->proto)
ntuples++;
/* Flow is IPv4 */
return ++ntuples;
}
@ -549,14 +561,15 @@ static int validate_ip6(struct ethtool_rx_flow_spec *fs)
struct ethtool_usrip6_spec *l3_mask = &fs->m_u.usr_ip6_spec;
int ntuples = 0;
if (l3_mask->l4_4_bytes || l3_mask->tclass || l3_mask->l4_proto)
if (l3_mask->l4_4_bytes || l3_mask->tclass)
return -EINVAL;
if (!ipv6_addr_any((struct in6_addr *)l3_mask->ip6src))
ntuples++;
if (!ipv6_addr_any((struct in6_addr *)l3_mask->ip6dst))
ntuples++;
if (l3_mask->l4_proto)
ntuples++;
/* Flow is IPv6 */
return ++ntuples;
}