diff options
| author | Suman Ghosh <sumang@marvell.com> | 2022-11-24 12:05:48 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-11-28 11:06:23 +0000 |
| commit | c672e37279896f570cfa44926d57497e8d16033b (patch) | |
| tree | 86742e66516776237c300067c204a309fabd9c19 /drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | |
| parent | a66d79ee0bd5140a64b72cde588f8c83a55a1eb9 (diff) | |
| download | linux-c672e37279896f570cfa44926d57497e8d16033b.tar.bz2 | |
octeontx2-pf: Add support to filter packet based on IP fragment
1. Added support to filter packets based on IP fragment.
For IPv4 packets check for ip_flag == 0x20 (more fragment bit set).
For IPv6 packets check for next_header == 0x2c (next_header set to
'fragment header for IPv6')
2. Added configuration support from both "ethtool ntuple" and "tc flower".
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index f3fecd2a4015..006beb5cf98d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -26,8 +26,10 @@ static const char * const npc_flow_names[] = { [NPC_VLAN_ETYPE_STAG] = "vlan ether type stag", [NPC_OUTER_VID] = "outer vlan id", [NPC_TOS] = "tos", + [NPC_IPFRAG_IPV4] = "fragmented IPv4 header ", [NPC_SIP_IPV4] = "ipv4 source ip", [NPC_DIP_IPV4] = "ipv4 destination ip", + [NPC_IPFRAG_IPV6] = "fragmented IPv6 header ", [NPC_SIP_IPV6] = "ipv6 source ip", [NPC_DIP_IPV6] = "ipv6 destination ip", [NPC_IPPROTO_TCP] = "ip proto tcp", @@ -484,8 +486,10 @@ do { \ * Example: Source IP is 4 bytes and starts at 12th byte of IP header */ NPC_SCAN_HDR(NPC_TOS, NPC_LID_LC, NPC_LT_LC_IP, 1, 1); + NPC_SCAN_HDR(NPC_IPFRAG_IPV4, NPC_LID_LC, NPC_LT_LC_IP, 6, 1); NPC_SCAN_HDR(NPC_SIP_IPV4, NPC_LID_LC, NPC_LT_LC_IP, 12, 4); NPC_SCAN_HDR(NPC_DIP_IPV4, NPC_LID_LC, NPC_LT_LC_IP, 16, 4); + NPC_SCAN_HDR(NPC_IPFRAG_IPV6, NPC_LID_LC, NPC_LT_LC_IP6_EXT, 6, 1); NPC_SCAN_HDR(NPC_SIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 8, 16); NPC_SCAN_HDR(NPC_DIP_IPV6, NPC_LID_LC, NPC_LT_LC_IP6, 24, 16); NPC_SCAN_HDR(NPC_SPORT_UDP, NPC_LID_LD, NPC_LT_LD_UDP, 0, 2); @@ -899,6 +903,8 @@ do { \ NPC_WRITE_FLOW(NPC_ETYPE, etype, ntohs(pkt->etype), 0, ntohs(mask->etype), 0); NPC_WRITE_FLOW(NPC_TOS, tos, pkt->tos, 0, mask->tos, 0); + NPC_WRITE_FLOW(NPC_IPFRAG_IPV4, ip_flag, pkt->ip_flag, 0, + mask->ip_flag, 0); NPC_WRITE_FLOW(NPC_SIP_IPV4, ip4src, ntohl(pkt->ip4src), 0, ntohl(mask->ip4src), 0); NPC_WRITE_FLOW(NPC_DIP_IPV4, ip4dst, ntohl(pkt->ip4dst), 0, @@ -919,6 +925,8 @@ do { \ NPC_WRITE_FLOW(NPC_OUTER_VID, vlan_tci, ntohs(pkt->vlan_tci), 0, ntohs(mask->vlan_tci), 0); + NPC_WRITE_FLOW(NPC_IPFRAG_IPV6, next_header, pkt->next_header, 0, + mask->next_header, 0); npc_update_ipv6_flow(rvu, entry, features, pkt, mask, output, intf); npc_update_vlan_features(rvu, entry, features, intf); |