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authorFlorin Coras <fcoras@cisco.com>2018-10-31 23:09:22 -0700
committerDave Barach <openvpp@barachs.net>2018-11-01 20:43:29 +0000
commite55a6d7a97044c2f4fd0231242e062924d75c7b6 (patch)
treeae58b4562748db8397604029261008b94aaecd8c /src/vnet/tcp/tcp.h
parentf6c68d74eca9038516986254846de60a4f7c02ae (diff)
tcp: fast retransmit pacing
Force pacing for fast retransmit to avoid bursts of retransmitted packets. Change-Id: I2ff42c328899b36322c4de557b1f7d853dba8fe2 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet/tcp/tcp.h')
-rw-r--r--src/vnet/tcp/tcp.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 4ba3d5e9d87..f7424c3202e 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -160,7 +160,7 @@ enum
};
#define TCP_SCOREBOARD_TRACE (0)
-#define TCP_MAX_SACK_BLOCKS 32 /**< Max number of SACK blocks stored */
+#define TCP_MAX_SACK_BLOCKS 256 /**< Max number of SACK blocks stored */
#define TCP_INVALID_SACK_HOLE_INDEX ((u32)~0)
typedef struct _scoreboard_trace_elt
@@ -390,6 +390,9 @@ typedef struct tcp_worker_ctx_
needing fast rxt */
u32 *ongoing_fast_rxt; /**< vector of connections
now doing fast rxt */
+ u32 *postponed_fast_rxt; /**< vector of connections
+ that will do fast rxt */
+ vlib_main_t *vm; /**< pointer to vm */
CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
u8 cached_opts[40]; /**< cached 'on the wire'
@@ -722,8 +725,8 @@ always_inline void
tcp_cc_rcv_ack (tcp_connection_t * tc)
{
tc->cc_algo->rcv_ack (tc);
- tcp_update_pacer (tc);
tc->tsecr_last_ack = tc->rcv_opts.tsecr;
+ tcp_update_pacer (tc);
}
always_inline void