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tcp: fix tcp check tx offload issue
90/28290/3
author
Simon Zhang
<yuwei1.zhang@intel.com>
Tue, 24 Dec 2019 12:02:20 +0000
(20:02 +0800)
committer
Andrew Yourtchenko
<ayourtch@gmail.com>
Wed, 12 Aug 2020 15:59:46 +0000
(15:59 +0000)
Type: fix
Signed-off-by: Simon Zhang <yuwei1.zhang@intel.com>
Change-Id: I3b8755831d762abf51e1cbe1b57024f9297de9a4
Signed-off-by: Simon Zhang <yuwei1.zhang@intel.com>
(cherry picked from commit
79bfb9e09c7bf2072d34b2ed6159ba11815dab3a
)
src/vnet/tcp/tcp_input.c
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diff --git
a/src/vnet/tcp/tcp_input.c
b/src/vnet/tcp/tcp_input.c
index
160aac0
..
17af200
100755
(executable)
--- a/
src/vnet/tcp/tcp_input.c
+++ b/
src/vnet/tcp/tcp_input.c
@@
-2429,11
+2429,15
@@
tcp_check_tx_offload (tcp_connection_t * tc, int is_ipv4)
}
lb = load_balance_get (lb_idx);
+ if (PREDICT_FALSE (lb->lb_n_buckets > 1))
+ return;
dpo = load_balance_get_bucket_i (lb, 0);
- sw_if_idx = dpo->dpoi_index;
- hw_if = vnet_get_sup_hw_interface (vnm, sw_if_idx);
+ sw_if_idx = dpo_get_urpf (dpo);
+ if (PREDICT_FALSE (sw_if_idx == ~0))
+ return;
+ hw_if = vnet_get_sup_hw_interface (vnm, sw_if_idx);
if (hw_if->flags & VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO)
tc->cfg_flags |= TCP_CFG_F_TSO;
}