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2018-08-02net: Fix coding style in skb_push()Ganesh Goudar1-1/+1
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-02net: fec: check DMA addressing limitationsStefan Agner1-0/+8
Check DMA addressing limitations as suggested by the DMA API how-to. This does not fix a particular issue seen but is considered good style. Signed-off-by: Stefan Agner <stefan@agner.ch> Acked-by: Fugang Duan <fugang.duan@nxp.com> Reviewed-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-02rxrpc: Remove set but not used variable 'nowj'Wei Yongjun1-2/+1
Fixes gcc '-Wunused-but-set-variable' warning: net/rxrpc/proc.c: In function 'rxrpc_call_seq_show': net/rxrpc/proc.c:66:29: warning: variable 'nowj' set but not used [-Wunused-but-set-variable] unsigned long timeout = 0, nowj; ^ Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01net: don't declare IPv6 non-local bind helper if CONFIG_IPV6 undefinedVincent Bernat1-7/+7
Fixes: 83ba4645152d ("net: add helpers checking if socket can be bound to nonlocal address") Signed-off-by: Vincent Bernat <vincent@bernat.im> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01cxgb4: fix endian to test F_FW_PORT_CMD_DCBXDIS32Ganesh Goudar1-4/+3
For FW_PORT_ACTION_GET_PORT_INFO32 messages, the u.info32.lstatus32_to_cbllen32 is 32-bit Big Endian. We need to translate that to CPU Endian in order to test F_FW_PORT_CMD_DCBXDIS32. Signed-off-by: Casey Leedom <leedom@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01net: sched: make tcf_chain_{get,put}() staticJiri Pirko2-21/+16
These are no longer used outside of cls_api.c so make them static. Move tcf_chain_flush() to avoid fwd declaration of tcf_chain_put(). Signed-off-by: Jiri Pirko <jiri@mellanox.com> v1->v2: - new patch Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01net: sched: fix notifications for action-held chainsJiri Pirko1-28/+43
Chains that only have action references serve as placeholders. Until a non-action reference is created, user should not be aware of the chain. Also he should not receive any notifications about it. So send notifications for the new chain only in case the chain gets the first non-action reference. Symmetrically to that, when the last non-action reference is dropped, send the notification about deleted chain. Reported-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> v1->v2: - made __tcf_chain_{get,put}() static as suggested by Cong Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01net: sched: change name of zombie chain to "held_by_acts_only"Jiri Pirko1-8/+6
As mentioned by Cong and Jakub during the review process, it is a bit odd to sometimes (act flow) create a new chain which would be immediately a "zombie". So just rename it to "held_by_acts_only". Signed-off-by: Jiri Pirko <jiri@mellanox.com> Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01net: hns3: fix return value error while hclge_cmd_csq_clean failedHuazhong Tan1-3/+9
While cleaning the command queue, the value of the HEAD register is not in the range of next_to_clean and next_to_use, meaning that this value is invalid. This also means that there is a hardware error and the hardware will trigger a reset soon. At this time we should return an error code instead of 0, and HCLGE_STATE_CMD_DISABLE needs to be set to prevent sending command again. Fixes: 3ff504908f95 ("net: hns3: fix a dead loop in hclge_cmd_csq_clean") Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: Salil Mehta <salil.mehta@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01rds: remove redundant variable 'rds_ibdev'YueHaibing1-3/+0
Variable 'rds_ibdev' is being assigned but never used, so can be removed. fix this clang warning: net/rds/ib_send.c:762:24: warning: variable ‘rds_ibdev’ set but not used [-Wunused-but-set-variable] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01strparser: remove redundant variable 'rd_desc'YueHaibing1-4/+0
Variable 'rd_desc' is being assigned but never used, so can be removed. fix this clang warning: net/strparser/strparser.c:411:20: warning: variable ‘rd_desc’ set but not used [-Wunused-but-set-variable] Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01ip_gre: remove redundant variables t_hlenYueHaibing1-5/+0
After commit ffc2b6ee4174 ("ip_gre: fix IFLA_MTU ignored on NEWLINK") variable t_hlen is assigned values that are never read, hence they are redundant and can be removed. Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: remove set but not used variable 'skb_size'Wei Yongjun1-2/+1
Fixes gcc '-Wunused-but-set-variable' warning: net/ipv4/tcp_output.c: In function 'tcp_collapse_retrans': net/ipv4/tcp_output.c:2700:6: warning: variable 'skb_size' set but not used [-Wunused-but-set-variable] int skb_size, next_skb_size; ^ Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: add stat of data packet reordering eventsWei Wang5-4/+11
Introduce a new TCP stats to record the number of reordering events seen and expose it in both tcp_info (TCP_INFO) and opt_stats (SOF_TIMESTAMPING_OPT_STATS). Application can use this stats to track the frequency of the reordering events in addition to the existing reordering stats which tracks the magnitude of the latest reordering event. Note: this new stats tracks reordering events triggered by ACKs, which could often be fewer than the actual number of packets being delivered out-of-order. Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: add dsack blocks received statsWei Wang4-0/+10
Introduce a new TCP stat to record the number of DSACK blocks received (RFC4989 tcpEStatsStackDSACKDups) and expose it in both tcp_info (TCP_INFO) and opt_stats (SOF_TIMESTAMPING_OPT_STATS). Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: add data bytes retransmitted statsWei Wang4-0/+11
Introduce a new TCP stat to record the number of bytes retransmitted (RFC4898 tcpEStatsPerfOctetsRetrans) and expose it in both tcp_info (TCP_INFO) and opt_stats (SOF_TIMESTAMPING_OPT_STATS). Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: add data bytes sent statsWei Wang4-1/+13
Introduce a new TCP stat to record the number of bytes sent (RFC4898 tcpEStatsPerfHCDataOctetsOut) and expose it in both tcp_info (TCP_INFO) and opt_stats (SOF_TIMESTAMPING_OPT_STATS). Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-01tcp: add a helper to calculate size of opt_statsWei Wang1-3/+24
This is to refactor the calculation of the size of opt_stats to a helper function to make the code cleaner and easier for later changes. Suggested-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Neal Cardwell <ncardwell@google.com> Acked-by: Soheil Hassas Yeganeh <soheil@google.com> Acked-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>