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Commit 974ce34a authored by Saeed Mahameed's avatar Saeed Mahameed
Browse files

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: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent ca7deb02

drivers/net/ethernet/mellanox/mlx5/core/en_fs_ethtool.c

+16 −3
Original line number Diff line number Diff line
@@ -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;

}