bnx2x: Change DCB context handling
authorDmitry Kravkov <dmitry@broadcom.com>
Mon, 19 Aug 2013 06:11:57 +0000 (09:11 +0300)
committerDavid S. Miller <davem@davemloft.net>
Tue, 20 Aug 2013 07:21:47 +0000 (00:21 -0700)
commit07b4eb3b53f692a75fc0bc35c43345f331b7cca4
tree24bfdbb54368860a976a16a161f1ce1077e7df71
parent9156b30b33acaef9ce602fb31230154f13af4881
bnx2x: Change DCB context handling

After notification that DCBX configuration has ended arrived to the driver,
the driver configured the FW/HW in sleepless context.
As a result, it was possible to reach a race (mostly with CNIC registration)
in which the configuration will return a timeout, failing to set the DCBX
results correctly.

This patch moves the configuration following the DCBX end into the slowpath
RTNL task (i.e., sleepless context protected by the RTNL lock), allowing the
configuration to cope with such races.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c