diff options
| author | Suman Ghosh <sumang@marvell.com> | 2022-11-24 09:35:48 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-11-28 14:06:23 +0300 |
| commit | c672e37279896f570cfa44926d57497e8d16033b (patch) | |
| tree | 86742e66516776237c300067c204a309fabd9c19 /drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c | |
| parent | a66d79ee0bd5140a64b72cde588f8c83a55a1eb9 (diff) | |
| download | linux-c672e37279896f570cfa44926d57497e8d16033b.tar.xz | |
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/nic/otx2_flows.c')
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c index 13aa79efee03..684cb8ec9f21 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c @@ -711,6 +711,11 @@ static int otx2_prepare_ipv6_flow(struct ethtool_rx_flow_spec *fsp, sizeof(pmask->ip6dst)); req->features |= BIT_ULL(NPC_DIP_IPV6); } + if (ipv6_usr_hdr->l4_proto == IPPROTO_FRAGMENT) { + pkt->next_header = ipv6_usr_hdr->l4_proto; + pmask->next_header = ipv6_usr_mask->l4_proto; + req->features |= BIT_ULL(NPC_IPFRAG_IPV6); + } pkt->etype = cpu_to_be16(ETH_P_IPV6); pmask->etype = cpu_to_be16(0xFFFF); req->features |= BIT_ULL(NPC_ETYPE); @@ -891,10 +896,22 @@ static int otx2_prepare_flow_request(struct ethtool_rx_flow_spec *fsp, req->features |= BIT_ULL(NPC_OUTER_VID); } - /* Not Drop/Direct to queue but use action in default entry */ - if (fsp->m_ext.data[1] && - fsp->h_ext.data[1] == cpu_to_be32(OTX2_DEFAULT_ACTION)) - req->op = NIX_RX_ACTION_DEFAULT; + if (fsp->m_ext.data[1]) { + if (flow_type == IP_USER_FLOW) { + if (be32_to_cpu(fsp->h_ext.data[1]) != IPV4_FLAG_MORE) + return -EINVAL; + + pkt->ip_flag = be32_to_cpu(fsp->h_ext.data[1]); + pmask->ip_flag = be32_to_cpu(fsp->m_ext.data[1]); + req->features |= BIT_ULL(NPC_IPFRAG_IPV4); + } else if (fsp->h_ext.data[1] == + cpu_to_be32(OTX2_DEFAULT_ACTION)) { + /* Not Drop/Direct to queue but use action + * in default entry + */ + req->op = NIX_RX_ACTION_DEFAULT; + } + } } if (fsp->flow_type & FLOW_MAC_EXT && |