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2015-06-12tcp: tcp_v6_connect() cleanupEric Dumazet
Remove dead code from tcp_v6_connect() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12flow_dissector: fix ipv6 dst, hop-by-hop and routing ext hdrsEric Dumazet
__skb_header_pointer() returns a pointer that must be checked. Fixes infinite loop reported by Alexei, and add __must_check to catch these errors earlier. Fixes: 6a74fcf426f5 ("flow_dissector: add support for dst, hop-by-hop and routing ext hdrs") Reported-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Tested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Acked-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12Fix Cavium Liquidio build related errors and warningsRaghu Vatsavayi
1) Fixed following sparse warnings: lio_main.c:213:6: warning: symbol 'octeon_droq_bh' was not declared. Should it be static? lio_main.c:233:5: warning: symbol 'lio_wait_for_oq_pkts' was not declared. Should it be static? lio_main.c:3083:5: warning: symbol 'lio_nic_info' was not declared. Should it be static? lio_main.c:2618:16: warning: cast from restricted __be16 octeon_device.c:466:6: warning: symbol 'oct_set_config_info' was not declared. Should it be static? octeon_device.c:573:25: warning: cast to restricted __be32 octeon_device.c:582:29: warning: cast to restricted __be32 octeon_device.c:584:39: warning: cast to restricted __be32 octeon_device.c:594:13: warning: cast to restricted __be32 octeon_device.c:596:25: warning: cast to restricted __be32 octeon_device.c:613:25: warning: cast to restricted __be32 octeon_device.c:614:29: warning: cast to restricted __be64 octeon_device.c:615:29: warning: cast to restricted __be32 octeon_device.c:619:37: warning: cast to restricted __be32 octeon_device.c:623:33: warning: cast to restricted __be32 cn66xx_device.c:540:6: warning: symbol 'lio_cn6xxx_get_pcie_qlmport' was not declared. Should it be s octeon_mem_ops.c:181:16: warning: cast to restricted __be64 octeon_mem_ops.c:190:16: warning: cast to restricted __be32 octeon_mem_ops.c:196:17: warning: incorrect type in initializer 2) Fix build errors corresponding to vmalloc on linux-next 4.1. 3) Liquidio now supports 64 bit only, modified Kconfig accordingly. 4) Fix some code alignment issues based on kernel build warnings. Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com> Signed-off-by: Satanand Burla <satananda.burla@caviumnetworks.com> Signed-off-by: Felix Manlunas <felix.manlunas@caviumnetworks.com> Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12Merge branch 'flow_dissector-next'David S. Miller
Tom Herbert says: ==================== flow_dissector: Fix MPLS parsing and add ext hdr support Need to shift label. Added parsing of dst, hop-by-hop, and routing extension headers. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12flow_dissector: add support for dst, hop-by-hop and routing ext hdrsTom Herbert
If dst, hop-by-hop or routing extension headers are present determine length of the options and skip over them in flow dissection. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12flow_dissector: Fix MPLS entropy label handling in flow dissectorTom Herbert
Need to shift after masking to get label value for comparison. Fixes: b3baa0fbd02a1a9d493d8 ("mpls: Add MPLS entropy label in flow_keys") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-12net: ipv4: un-inline ip_finish_output2Florian Westphal
text data bss dec hex filename old: 16527 44 0 16571 40bb net/ipv4/ip_output.o new: 14935 44 0 14979 3a83 net/ipv4/ip_output.o Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11Merge branch 'tcp-gso-settings-defer'David S. Miller
Eric Dumazet says: ==================== tcp: defer shinfo->gso_size|type settings We put shinfo->gso_segs in TCP_SKB_CB(skb) a while back for performance reasons. This was in commit cd7d8498c9a5 ("tcp: change tcp_skb_pcount() location") This patch series complete the job for gso_size and gso_type, so that we do not bring 2 extra cache lines in tcp write xmit fast path, and making tcp_init_tso_segs() simpler and faster. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11tcp: remove obsolete check in tcp_set_skb_tso_segs()Eric Dumazet
We had various issues in the past when TCP stack was modifying gso_size/gso_segs while clones were in flight. Commit c52e2421f73 ("tcp: must unclone packets before mangling them") fixed these bugs and added a WARN_ON_ONCE(skb_cloned(skb)); in tcp_set_skb_tso_segs() These bugs are now fixed, and because TCP stack now only sets shinfo->gso_size|segs on the clone itself, the check can be removed. As a result of this change, compiler inlines tcp_set_skb_tso_segs() in tcp_init_tso_segs() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11tcp: fill shinfo->gso_size at last momentEric Dumazet
In commit cd7d8498c9a5 ("tcp: change tcp_skb_pcount() location") we stored gso_segs in a temporary cache hot location. This patch does the same for gso_size. This allows to save 2 cache line misses in tcp xmit path for the last packet that is considered but not sent because of various conditions (cwnd, tso defer, receiver window, TSQ...) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11tcp: tcp_set_skb_tso_segs() no longer need struct sock parameterEric Dumazet
tcp_set_skb_tso_segs() & tcp_init_tso_segs() no longer use the sock pointer. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11tcp: fill shinfo->gso_type at last momentEric Dumazet
Our goal is to touch skb_shinfo(skb) only when absolutely needed, to avoid two cache line misses in TCP output path for last skb that is considered but not sent because of various conditions (cwnd, tso defer, receiver window, TSQ...) A packet is GSO only when skb_shinfo(skb)->gso_size is not zero. We can set skb_shinfo(skb)->gso_type to sk->sk_gso_type even for non GSO packets. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11tcp: reserve tcp_skb_mss() to tcp stackEric Dumazet
tcp_gso_segment() and tcp_gro_receive() are not strictly part of TCP stack. They should not assume tcp_skb_mss(skb) is in fact skb_shinfo(skb)->gso_size. This will allow us to change tcp_skb_mss() in following patches. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11switchdev: fix BUG when port driver doesn't support set attr opScott Feldman
Fix a BUG_ON() where CONFIG_NET_SWITCHDEV is set but the driver for a bridged port does not support switchdev_port_attr_set op. Don't BUG_ON() if -EOPNOTSUPP is returned. Also change BUG_ON() to netdev_err since this is a normal error path and does not warrant the use of BUG_ON(), which is reserved for unrecoverable errs. Signed-off-by: Scott Feldman <sfeldma@gmail.com> Reported-by: Brenden Blanco <bblanco@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11Merge branch 'bna-next'David S. Miller
Ivan Vecera says: ==================== bna: clean-up The patches clean the bna driver. v2: changes & comments requested by Joe ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: use netdev_* and dev_* instead of printk and pr_*Ivan Vecera
...and remove some of them. It is not necessary to log when .probe() and .remove() are called or when TxQ is started or stopped. Also log level of some of them was changed to more appropriate one (link up/down, firmware loading failure. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: fix timeout API argument typeIvan Vecera
Timeout functions are defined with 'void *' ptr argument. They should be defined directly with 'struct bfa_ioc *' type to avoid type conversions. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: use list_for_each_entry where appropriateIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: get rid of private macros for manipulation with listsIvan Vecera
Remove macros for manipulation with struct list_head and replace them with standard ones. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove useless pointer assignmentIvan Vecera
Pointer cmpl used to iterate through completion entries is updated at the beginning of while loop as well as at the end. The update at the end of the loop is useless. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: use memdup_user to copy userspace buffersIvan Vecera
Patch converts kzalloc->copy_from_user sequence to memdup_user. There is also one useless assignment of NULL to bnad->regdata as it is followed by assignment of kzalloc output. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: correct comparisons/assignments to boolIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove TX_E_PRIO_CHANGE event and BNA_TX_F_PRIO_CHANGED flagIvan Vecera
TX_E_PRIO_CHANGE event is never sent for bna_tx so it doesn't need to be handled. After this change bna_tx->flags cannot contain BNA_TX_F_PRIO_CHANGED flag and it can be also eliminated. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove paused from bna_rx_config and flags from bna_rxfIvan Vecera
The bna_rx_config struct member paused can be removed as it is never written and as it cannot have non-zero value the bna_rxf struct member flags also cannot have BNA_RXF_F_PAUSED value and is always zero. So the flags member can be removed as well as bna_rxf_flags enum and the code-paths that needs to have non-zero bna_rxf->flags. This clean-up makes bna_rxf_sm_paused state unsed and can be also removed. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove RXF_E_PAUSE and RXF_E_RESUME eventsIvan Vecera
RXF_E_PAUSE & RXF_E_RESUME events are never sent for bna_rxf object so they needn't to be handled. The bna_rxf's state bna_rxf_sm_fltr_clr_wait and function bna_rxf_fltr_clear are unused after this so remove them also. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove prio_change_cbfn oper_state_cbfn from struct bna_txIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove oper_state_cbfn from struct bna_rxfIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove pause_cbfn from struct bna_enetIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: remove unused cbfn parameterIvan Vecera
removed: bna_rx_ucast_add bna_rx_ucast_del simplified: bna_enet_pause_config bna_rx_mcast_delall bna_rx_mcast_listset bna_rx_mode_set bna_rx_ucast_listset bna_rx_ucast_set Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: use BIT(x) instead of (1 << x)Ivan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: get rid of duplicate and unused macrosIvan Vecera
replaced macros: BNA_MAC_IS_EQUAL -> ether_addr_equal BNA_POWER_OF_2 -> is_power_of_2 BNA_TO_POWER_OF_2_HIGH -> roundup_pow_of_two removed unused macros: bfa_fsm_get_state bfa_ioc_clr_stats bfa_ioc_fetch_stats bfa_ioc_get_alt_ioc_fwstate bfa_ioc_isr_mode_set bfa_ioc_maxfrsize bfa_ioc_mbox_cmd_pending bfa_ioc_ownership_reset bfa_ioc_rx_bbcredit bfa_ioc_state_disabled bfa_sm_cmp_state bfa_sm_get_state bfa_sm_send_event bfa_sm_set_state bfa_sm_state_decl BFA_STRING_32 BFI_ADAPTER_IS_{PROTO,TTV,UNSUPP) BFI_IOC_ENDIAN_SIG BNA_{C,RX,TX}Q_PAGE_INDEX_MAX BNA_{C,RX,TX}Q_PAGE_INDEX_MAX_SHIFT BNA_{C,RX,TX}Q_QPGE_PTR_GET BNA_IOC_TIMER_FREQ BNA_MESSAGE_SIZE BNA_QE_INDX_2_PTR BNA_QE_INDX_RANGE BNA_Q_GET_{C,P}I BNA_Q_{C,P}I_ADD BNA_Q_FREE_COUNT BNA_Q_IN_USE_COUNT BNA_TO_POWER_OF_2 containing_rec Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: replace pragma(pack) with attribute __packedIvan Vecera
Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: get rid of mac_tIvan Vecera
The patch converts mac_t type to widely used 'u8 [ETH_ALEN]'. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11bna: use ether_addr_copy instead of memcpyIvan Vecera
Parameters of all ether_addr_copy instances were checked for proper alignment. Alignment of bnad_bcast_addr is forced to 2 as the implicit alignment is 1. I have also renamed address parameter of bnad_set_mac_address() to addr. The name mac_addr was a little bit confusing as the real parameter is struct sockaddr *. v2: added __aligned directive to bnad_bcast_addr, renamed parameter of bnad_set_mac_address() (thx joe@perches.com) Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11Merge branch 'mlx5-next'David S. Miller
Or Gerlitz says: ==================== mlx5 Ethernet driver update - Jun 11 2015 This series from Saeed, Achiad and Gal contains few fixes to the recently introduced mlx5 Ethernet functionality. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Add transport domain to the ethernet TIRs/TISsAchiad Shochat
Allocate and use transport domain by the Ethernet driver code. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5_core: Add transport domain alloc/dealloc supportAchiad Shochat
Each transport object, namely TIR and TIS, must have a transport domain number (TDN) identifier. The driver wrongly assumed that it is OK to use TDN=0 without explicit TDN allocation from the device. The TDN will also be used for isolating different processes once user mode Ethernet will be supported. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Support NETIF_F_SGSaeed Mahameed
When NETIF_F_SG is set, each send WQE may have a different size since each skb can have different number of fragments as of LSO header etc. This implies that a given WQE may wrap around the send queue, i.e begin at its end and continue at its start. While it is legal by the device spec, we preferred a solution that avoids it - when building of current WQE is done, if the next WQE may wrap around the send queue, fill the send queue with NOPs WQEs till its end, so that the next WQE will begin at send queue start. NOP WQE for itself cannot wrap around the send queue since it is of minimal size - 64 bytes, and all send WQEs are a multiple of that size. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Enforce max flow-tables level >= 3Gal Pressman
The Ethernet driver requires at least 3 flow table levels to operate, enforce that. Signed-off-by: Gal Pressman <galp@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Disable client vlan TX accelerationSaeed Mahameed
We need to resolve a HW configuration issue for enabling HW CVLAN insertion. Meanwhile, no need to implement the VLAN insertion in the driver, rather use the generic kernel VLAN insertion method. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Add HW cacheline start paddingSaeed Mahameed
Enable HW cacheline start padding and align RX WQE size to cacheline while considering HW start padding. Also, fix dma_unmap call to use the correct SKB data buffer size. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5e: Fix HW MTU settingsSaeed Mahameed
Previously we configured HW MTU to be netdev->mtu, actually we need to configure netdev->mtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN). Also, query MTU can not fail, hence make the relevant helper a void functionm, add mlx5e_set_dev_port_mtu, helper function to handle MTU setting. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx5_core: fix an error codeDan Carpenter
We return success if mlx5e_alloc_sq_db() fails but we should return an error code. Fixes: f62b8bb8f2d3 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11vxge: use swap() in vxge_hw_channel_dtr_alloc()Fabian Frederick
Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net: fs_enet: use swap() in fs_enet_rx_napi()Fabian Frederick
Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/ibm/emac: use swap() in emac_make_bootlist()Fabian Frederick
Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx4_core: use swap() in mlx4_make_profile()Fabian Frederick
Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/mlx4: use swap() in mlx4_init_qp_table()Fabian Frederick
Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/ps3_gelic: Fix build error with DEBUGGeoff Levand
When the DEBUG preprocessor macro is defined the ps3_gelic_net driver build fails due to an undeclared routine gelic_descr_get_status(). This problem was introduced during the code cleanup of commit 6b0c21cede22be1f68f0a632c0ca38008ce1abe7 (net: Fix p3_gelic_net sparse warnings), which re-arranged the ordering of some of the gelic routines. This change just moves the gelic_descr_get_status() routine up in the ps3_gelic_net.c source file. There is no functional change. Fixes build errors like these: drivers/net/ethernet/toshiba/ps3_gelic_net.c: error: implicit declaration of function gelic_descr_get_status Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-11net/ethtool: Add current supported tunable optionsHadar Hen Zion
Add strings array of the current supported tunable options. Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com> Reviewed-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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