From b53693ab0cf0611951867b7e01a4e4fe5d251d2b Mon Sep 17 00:00:00 2001 From: John Lo Date: Tue, 3 May 2016 17:47:48 -0400 Subject: ENIC driver patch to set PKT_RX_VLAN_PKT only if pkt passed has VLAN tag Change-Id: I72475bfe50e42886ffa8fb6e58eb8192892fa381 Signed-off-by: John Lo --- ...T_RX_VLAN_PKT-iff-returned-packet-has-VLA.patch | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100755 dpdk/dpdk-16.04_patches/0014-enic-Set-PKT_RX_VLAN_PKT-iff-returned-packet-has-VLA.patch (limited to 'dpdk') diff --git a/dpdk/dpdk-16.04_patches/0014-enic-Set-PKT_RX_VLAN_PKT-iff-returned-packet-has-VLA.patch b/dpdk/dpdk-16.04_patches/0014-enic-Set-PKT_RX_VLAN_PKT-iff-returned-packet-has-VLA.patch new file mode 100755 index 00000000..e510446b --- /dev/null +++ b/dpdk/dpdk-16.04_patches/0014-enic-Set-PKT_RX_VLAN_PKT-iff-returned-packet-has-VLA.patch @@ -0,0 +1,42 @@ +From 6a7a9e52ed2ccfa86c2def3a66a368a5577f2fc2 Mon Sep 17 00:00:00 2001 +From: John Daley +Date: Tue, 3 May 2016 13:56:05 -0700 +Subject: [PATCH] enic: Set PKT_RX_VLAN_PKT iff returned packet has VLAN tag + +Only set the ol_flags PKT_RX_VLAN_PKT bit if the packet being passed +to the application contains a VLAN tag. This is true whether +stripping is enabled or disabled. + +This area of the API is in flux, so behaviour may change in the +future. + +Signed-off-by: John Daley +--- + drivers/net/enic/enic_rxtx.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/drivers/net/enic/enic_rxtx.c b/drivers/net/enic/enic_rxtx.c +index 02b54dd..6a95389 100644 +--- a/drivers/net/enic/enic_rxtx.c ++++ b/drivers/net/enic/enic_rxtx.c +@@ -206,12 +206,15 @@ enic_cq_rx_to_pkt_flags(struct cq_desc *cqd, struct rte_mbuf *mbuf) + if (unlikely(!enic_cq_rx_desc_eop(ciflags))) + goto mbuf_flags_done; + +- /* VLAN stripping */ ++ /* VLAN stripping. Set PKT_RX_VLAN_PKT only if there is a vlan tag ++ * in the packet passed up ++ */ + if (bwflags & CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) { +- pkt_flags |= PKT_RX_VLAN_PKT; + mbuf->vlan_tci = enic_cq_rx_desc_vlan(cqrd); + } else { + mbuf->vlan_tci = 0; ++ if (enic_cq_rx_desc_vlan(cqrd)) ++ pkt_flags |= PKT_RX_VLAN_PKT; + } + + /* RSS flag */ +-- +2.7.0 + -- cgit 1.2.3-korg