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sfc: fix flow type handling for RSS filters
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The FLOW_RSS flag was causing us to insert UDP filters when TCP was wanted.

Fixes: 42356d9 ("sfc: support RSS spreading of ethtool ntuple filters")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Edward Cree authored and David S. Miller committed Mar 27, 2018
1 parent e0a65e3 commit a8e8fbe
Showing 1 changed file with 6 additions and 5 deletions.
11 changes: 6 additions & 5 deletions drivers/net/ethernet/sfc/ethtool.c
Original file line number Diff line number Diff line change
Expand Up @@ -1088,6 +1088,7 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
enum efx_filter_flags flags = 0;
Expand Down Expand Up @@ -1121,14 +1122,14 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
if (rule->flow_type & FLOW_RSS)
spec.rss_context = rss_context;

switch (rule->flow_type & ~(FLOW_EXT | FLOW_RSS)) {
switch (flow_type) {
case TCP_V4_FLOW:
case UDP_V4_FLOW:
spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
EFX_FILTER_MATCH_IP_PROTO);
spec.ether_type = htons(ETH_P_IP);
spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
IPPROTO_TCP : IPPROTO_UDP);
spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
: IPPROTO_UDP;
if (ip_mask->ip4dst) {
if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
return -EINVAL;
Expand Down Expand Up @@ -1162,8 +1163,8 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
EFX_FILTER_MATCH_IP_PROTO);
spec.ether_type = htons(ETH_P_IPV6);
spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ?
IPPROTO_TCP : IPPROTO_UDP);
spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
: IPPROTO_UDP;
if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
if (!ip6_mask_is_full(ip6_mask->ip6dst))
return -EINVAL;
Expand Down

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