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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-02 16:40:27 -0700 |
commit | 8d65b08debc7e62b2c6032d7fe7389d895b92cbc (patch) | |
tree | 0c3141b60c3a03cc32742b5750c5e763b9dae489 /net/ipv4/tcp_recovery.c | |
parent | 5a0387a8a8efb90ae7fea1e2e5c62de3efa74691 (diff) | |
parent | 5d15af6778b8e4ed1fd41b040283af278e7a9a72 (diff) | |
download | op-kernel-dev-8d65b08debc7e62b2c6032d7fe7389d895b92cbc.zip op-kernel-dev-8d65b08debc7e62b2c6032d7fe7389d895b92cbc.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
Diffstat (limited to 'net/ipv4/tcp_recovery.c')
-rw-r--r-- | net/ipv4/tcp_recovery.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c index d8acbd9..362b8c7 100644 --- a/net/ipv4/tcp_recovery.c +++ b/net/ipv4/tcp_recovery.c @@ -45,8 +45,7 @@ static bool tcp_rack_sent_after(const struct skb_mstamp *t1, * or tcp_time_to_recover()'s "Trick#1: the loss is proven" code path will * make us enter the CA_Recovery state. */ -static void tcp_rack_detect_loss(struct sock *sk, const struct skb_mstamp *now, - u32 *reo_timeout) +static void tcp_rack_detect_loss(struct sock *sk, u32 *reo_timeout) { struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; @@ -79,7 +78,7 @@ static void tcp_rack_detect_loss(struct sock *sk, const struct skb_mstamp *now, * A packet is lost if its elapsed time is beyond * the recent RTT plus the reordering window. */ - u32 elapsed = skb_mstamp_us_delta(now, + u32 elapsed = skb_mstamp_us_delta(&tp->tcp_mstamp, &skb->skb_mstamp); s32 remaining = tp->rack.rtt_us + reo_wnd - elapsed; @@ -105,7 +104,7 @@ static void tcp_rack_detect_loss(struct sock *sk, const struct skb_mstamp *now, } } -void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now) +void tcp_rack_mark_lost(struct sock *sk) { struct tcp_sock *tp = tcp_sk(sk); u32 timeout; @@ -115,7 +114,7 @@ void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now) /* Reset the advanced flag to avoid unnecessary queue scanning */ tp->rack.advanced = 0; - tcp_rack_detect_loss(sk, now, &timeout); + tcp_rack_detect_loss(sk, &timeout); if (timeout) { timeout = usecs_to_jiffies(timeout + TCP_REO_TIMEOUT_MIN); inet_csk_reset_xmit_timer(sk, ICSK_TIME_REO_TIMEOUT, @@ -128,8 +127,7 @@ void tcp_rack_mark_lost(struct sock *sk, const struct skb_mstamp *now) * draft-cheng-tcpm-rack-00.txt */ void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, - const struct skb_mstamp *xmit_time, - const struct skb_mstamp *ack_time) + const struct skb_mstamp *xmit_time) { u32 rtt_us; @@ -138,7 +136,7 @@ void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, end_seq, tp->rack.end_seq)) return; - rtt_us = skb_mstamp_us_delta(ack_time, xmit_time); + rtt_us = skb_mstamp_us_delta(&tp->tcp_mstamp, xmit_time); if (sacked & TCPCB_RETRANS) { /* If the sacked packet was retransmitted, it's ambiguous * whether the retransmission or the original (or the prior @@ -165,12 +163,11 @@ void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq, void tcp_rack_reo_timeout(struct sock *sk) { struct tcp_sock *tp = tcp_sk(sk); - struct skb_mstamp now; u32 timeout, prior_inflight; - skb_mstamp_get(&now); prior_inflight = tcp_packets_in_flight(tp); - tcp_rack_detect_loss(sk, &now, &timeout); + skb_mstamp_get(&tp->tcp_mstamp); + tcp_rack_detect_loss(sk, &timeout); if (prior_inflight != tcp_packets_in_flight(tp)) { if (inet_csk(sk)->icsk_ca_state != TCP_CA_Recovery) { tcp_enter_recovery(sk, false); |