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Subject[PATCH 4.19 038/148] bnx2x: Send update-svid ramrod with retry/poll flags enabled
Date
4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 9061193c4ee065d3240fde06767c2e06ec61decc ]

Driver sends update-SVID ramrod in the MFW notification path.
If there is a pending ramrod, driver doesn't retry the command
and storm firmware will never be updated with the SVID value.
The patch adds changes to send update-svid ramrod in process context with
retry/poll flags set.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 1 +
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 10 +++++++++-
2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 0de487a8f0eb..3db54b664aed 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1282,6 +1282,7 @@ enum sp_rtnl_flag {
BNX2X_SP_RTNL_TX_STOP,
BNX2X_SP_RTNL_GET_DRV_VERSION,
BNX2X_SP_RTNL_CHANGE_UDP_PORT,
+ BNX2X_SP_RTNL_UPDATE_SVID,
};

enum bnx2x_iov_flag {
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 20e5cda6555e..7742bf5f8a18 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2925,6 +2925,10 @@ static void bnx2x_handle_update_svid_cmd(struct bnx2x *bp)
func_params.f_obj = &bp->func_obj;
func_params.cmd = BNX2X_F_CMD_SWITCH_UPDATE;

+ /* Prepare parameters for function state transitions */
+ __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
+ __set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
+
if (IS_MF_UFP(bp) || IS_MF_BD(bp)) {
int func = BP_ABS_FUNC(bp);
u32 val;
@@ -4301,7 +4305,8 @@ static void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
bnx2x_handle_eee_event(bp);

if (val & DRV_STATUS_OEM_UPDATE_SVID)
- bnx2x_handle_update_svid_cmd(bp);
+ bnx2x_schedule_sp_rtnl(bp,
+ BNX2X_SP_RTNL_UPDATE_SVID, 0);

if (bp->link_vars.periodic_flags &
PERIODIC_FLAGS_LINK_EVENT) {
@@ -10376,6 +10381,9 @@ static void bnx2x_sp_rtnl_task(struct work_struct *work)
&bp->sp_rtnl_state))
bnx2x_update_mng_version(bp);

+ if (test_and_clear_bit(BNX2X_SP_RTNL_UPDATE_SVID, &bp->sp_rtnl_state))
+ bnx2x_handle_update_svid_cmd(bp);
+
if (test_and_clear_bit(BNX2X_SP_RTNL_CHANGE_UDP_PORT,
&bp->sp_rtnl_state)) {
if (bnx2x_udp_port_update(bp)) {
--
2.19.1


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