diff options
| author | Dmitry Kravkov <dmitry@broadcom.com> | 2013-11-17 10:59:29 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-11-19 00:45:44 +0400 |
| commit | 6ffa39f2f59e4555239cc23a3488ad789b557166 (patch) | |
| tree | a79003d656cd9b1692d0d78307b56c86ff01cce6 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | |
| parent | ffa1cb967f650b6ce5eace09ee9b1ae7c4015d18 (diff) | |
| download | linux-6ffa39f2f59e4555239cc23a3488ad789b557166.tar.xz | |
bnx2x: Prevent "timeout waiting for state X"
Current driver release rtnl lock in between DCB re-configuration.
As a result, other flows (e.g., mtu config) may enter in between and fail
due to halted tx path for dcb configuration.
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: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index a4c2dc295344..8eb6469813c5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -5235,18 +5235,18 @@ static void bnx2x_eq_int(struct bnx2x *bp) case EVENT_RING_OPCODE_STOP_TRAFFIC: DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got STOP TRAFFIC\n"); + bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED); if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_TX_STOP)) break; - bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED); goto next_spqe; case EVENT_RING_OPCODE_START_TRAFFIC: DP(BNX2X_MSG_SP | BNX2X_MSG_DCB, "got START TRAFFIC\n"); + bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED); if (f_obj->complete_cmd(bp, f_obj, BNX2X_F_CMD_TX_START)) break; - bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED); goto next_spqe; case EVENT_RING_OPCODE_FUNCTION_UPDATE: @@ -9714,11 +9714,10 @@ sp_rtnl_not_reset: &bp->sp_rtnl_state)) bnx2x_pf_set_vfs_vlan(bp); - if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) + if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) { bnx2x_dcbx_stop_hw_tx(bp); - - if (test_and_clear_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state)) bnx2x_dcbx_resume_hw_tx(bp); + } /* work which needs rtnl lock not-taken (as it takes the lock itself and * can be called from other contexts as well) |