diff options
| author | Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> | 2019-02-14 14:37:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-17 15:28:50 -0800 |
| commit | 0496743b202ac0f2710ae243a493118ca5096c04 (patch) | |
| tree | e1964e25145343b702d16634317395de286ca660 /drivers | |
| parent | eaec2efbe4dc6be84165fcbc54238d51aa7e6c30 (diff) | |
nfp: flower: fix masks for tcp and ip flags fields
Check mask fields of tcp and ip flags when setting the corresponding mask
flag used in hardware.
Fixes: 8f2566225ae2 ("flow_offload: add flow_rule and flow_match")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/match.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index 1279fa5da9e1..e03c8ef2c28c 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -172,46 +172,51 @@ nfp_flower_compile_ip_ext(struct nfp_flower_ip_ext *ext, } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_TCP)) { + u16 tcp_flags, tcp_flags_mask; struct flow_match_tcp match; - u16 tcp_flags; flow_rule_match_tcp(rule, &match); tcp_flags = be16_to_cpu(match.key->flags); + tcp_flags_mask = be16_to_cpu(match.mask->flags); - if (tcp_flags & TCPHDR_FIN) { + if (tcp_flags & TCPHDR_FIN) ext->flags |= NFP_FL_TCP_FLAG_FIN; + if (tcp_flags_mask & TCPHDR_FIN) msk->flags |= NFP_FL_TCP_FLAG_FIN; - } - if (tcp_flags & TCPHDR_SYN) { + + if (tcp_flags & TCPHDR_SYN) ext->flags |= NFP_FL_TCP_FLAG_SYN; + if (tcp_flags_mask & TCPHDR_SYN) msk->flags |= NFP_FL_TCP_FLAG_SYN; - } - if (tcp_flags & TCPHDR_RST) { + + if (tcp_flags & TCPHDR_RST) ext->flags |= NFP_FL_TCP_FLAG_RST; + if (tcp_flags_mask & TCPHDR_RST) msk->flags |= NFP_FL_TCP_FLAG_RST; - } - if (tcp_flags & TCPHDR_PSH) { + + if (tcp_flags & TCPHDR_PSH) ext->flags |= NFP_FL_TCP_FLAG_PSH; + if (tcp_flags_mask & TCPHDR_PSH) msk->flags |= NFP_FL_TCP_FLAG_PSH; - } - if (tcp_flags & TCPHDR_URG) { + + if (tcp_flags & TCPHDR_URG) ext->flags |= NFP_FL_TCP_FLAG_URG; + if (tcp_flags_mask & TCPHDR_URG) msk->flags |= NFP_FL_TCP_FLAG_URG; - } } if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) { struct flow_match_control match; flow_rule_match_control(rule, &match); - if (match.key->flags & FLOW_DIS_IS_FRAGMENT) { + if (match.key->flags & FLOW_DIS_IS_FRAGMENT) ext->flags |= NFP_FL_IP_FRAGMENTED; + if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) msk->flags |= NFP_FL_IP_FRAGMENTED; - } - if (match.key->flags & FLOW_DIS_FIRST_FRAG) { + if (match.key->flags & FLOW_DIS_FIRST_FRAG) ext->flags |= NFP_FL_IP_FRAG_FIRST; + if (match.mask->flags & FLOW_DIS_FIRST_FRAG) msk->flags |= NFP_FL_IP_FRAG_FIRST; - } } } |