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bnx2x: Activate LFA

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In case Link Flap Avoidance feature is supported by the MCP, bnx2x will enable
it, and will pass the appropriate parameter when load request is sent to
the MCP.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2012-11-27 03:46:28 +00:00 committed by David S. Miller
parent 03f52a0a55
commit b884d95b82
3 changed files with 22 additions and 1 deletions
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3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
View File

@ -2248,7 +2248,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
DRV_PULSE_SEQ_MASK);
BNX2X_DEV_INFO("drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ, 0);
load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ,
DRV_MSG_CODE_LOAD_REQ_WITH_LFA);
if (!load_code) {
BNX2X_ERR("MCP response failure, aborting\n");
rc = -EBUSY;

8
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
View File

@ -2159,6 +2159,14 @@ struct shmem2_region {
#define SHMEM_EEE_TIME_OUTPUT_BIT 0x80000000
u32 sizeof_port_stats;
/* Link Flap Avoidance */
u32 lfa_host_addr[PORT_MAX];
u32 reserved1;
u32 reserved2; /* Offset 0x148 */
u32 reserved3; /* Offset 0x14C */
u32 reserved4; /* Offset 0x150 */
};

12
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -6267,6 +6267,10 @@ void bnx2x_pf_disable(struct bnx2x *bp)
static void bnx2x__common_init_phy(struct bnx2x *bp)
{
u32 shmem_base[2], shmem2_base[2];
/* Avoid common init in case MFW supports LFA */
if (SHMEM2_RD(bp, size) >
(u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
return;
shmem_base[0] = bp->common.shmem_base;
shmem2_base[0] = bp->common.shmem2_base;
if (!CHIP_IS_E1x(bp)) {
@ -9862,6 +9866,14 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
bp->link_params.shmem_base = bp->common.shmem_base;
bp->link_params.shmem2_base = bp->common.shmem2_base;
if (SHMEM2_RD(bp, size) >
(u32)offsetof(struct shmem2_region, lfa_host_addr[BP_PORT(bp)]))
bp->link_params.lfa_base =
REG_RD(bp, bp->common.shmem2_base +
(u32)offsetof(struct shmem2_region,
lfa_host_addr[BP_PORT(bp)]));
else
bp->link_params.lfa_base = 0;
BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
bp->common.shmem_base, bp->common.shmem2_base);