#ifndef SOCK_H #define SOCK_H extern int af_socket(int af); extern int pf_socket(void); extern void set_nonblocking(int fd); extern int set_nonblocking_sloppy(int fd); extern int set_reuseaddr(int fd); extern void set_sock_prio(int fd, int prio); extern void set_tcp_nodelay(int fd); extern void set_socket_keepalive(int fd); extern int set_ipv6_only(int fd); extern void set_mtu_disc_dont(int fd); extern void set_system_socket_memory(int *vals, size_t len); extern void reset_system_socket_memory(int *vals, size_t len); #endif /* SOCK_H */ t.git Git repository'/>
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authorIvan Vecera <cera@cera.cz>2017-01-31 20:01:31 +0100
committerDavid S. Miller <davem@davemloft.net>2017-02-01 11:11:41 -0500
commit4993b39ab04b083ff6ee1147e7e7f120feb6bf7f (patch)
tree8cdbd97a79c66c6a730c79dac5727135cbe95e76
parent90427ef5d2a4b9a24079889bf16afdcdaebc4240 (diff)
be2net: fix initial MAC setting
Recent commit 34393529163a ("be2net: fix MAC addr setting on privileged BE3 VFs") allows privileged BE3 VFs to set its MAC address during initialization. Although the initial MAC for such VFs is already programmed by parent PF the subsequent setting performed by VF is OK, but in certain cases (after fresh boot) this command in VF can fail. The MAC should be initialized only when: 1) no MAC is programmed (always except BE3 VFs during first init) 2) programmed MAC is different from requested (e.g. MAC is set when interface is down). In this case the initial MAC programmed by PF needs to be deleted. The adapter->dev_mac contains MAC address currently programmed in HW so it should be zeroed when the MAC is deleted from HW and should not be filled when MAC is set when interface is down in be_mac_addr_set() as no programming is performed in this case. Example of failure without the fix (immediately after fresh boot): # ip link set eth0 up <- eth0 is BE3 PF be2net 0000:01:00.0 eth0: Link is Up # echo 1 > /sys/class/net/eth0/device/sriov_numvfs <- Create 1 VF ... be2net 0000:01:04.0: Emulex OneConnect(be3): VF port 0 # ip link set eth8 up <- eth8 is created privileged VF be2net 0000:01:04.0: opcode 59-1 failed:status 1-76 RTNETLINK answers: Input/output error # echo 0 > /sys/class/net/eth0/device/sriov_numvfs <- Delete VF iommu: Removing device 0000:01:04.0 from group 33 ... # echo 1 > /sys/class/net/eth0/device/sriov_numvfs <- Create it again iommu: Removing device 0000:01:04.0 from group 33 ... # ip link set eth8 up be2net 0000:01:04.0 eth8: Link is Up Initialization is now OK. v2 - Corrected the comment and condition check suggested by Suresh & Harsha Fixes: 34393529163a ("be2net: fix MAC addr setting on privileged BE3 VFs") Cc: Sathya Perla <sathya.perla@broadcom.com> Cc: Ajit Khaparde <ajit.khaparde@broadcom.com> Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Cc: Somnath Kotur <somnath.kotur@broadcom.com> Signed-off-by: Ivan Vecera <cera@cera.cz> Acked-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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