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bnx2x: EEE status is read locally

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This patch aligns the EEE status with that of all other link properties,
by changing the way its accessed - instead of a direct read to the shared
memory, each function maintain its own copy locally.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2012-09-10 05:51:04 +00:00 committed by David S. Miller
parent fdd6681d92
commit 08e9acc25a
3 changed files with 36 additions and 7 deletions
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4
drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c
View File

@ -1647,7 +1647,7 @@ static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
return -EOPNOTSUPP;
}
eee_cfg = SHMEM2_RD(bp, eee_status[BP_PORT(bp)]);
eee_cfg = bp->link_vars.eee_status;
edata->supported =
bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
@ -1684,7 +1684,7 @@ static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
return -EOPNOTSUPP;
}
eee_cfg = SHMEM2_RD(bp, eee_status[BP_PORT(bp)]);
eee_cfg = bp->link_vars.eee_status;
if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");

4
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
View File

@ -4716,6 +4716,10 @@ void bnx2x_link_status_update(struct link_params *params,
vars->link_status = REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region,
port_mb[port].link_status));
if (bnx2x_eee_has_cap(params))
vars->eee_status = REG_RD(bp, params->shmem2_base +
offsetof(struct shmem2_region,
eee_status[params->port]));
vars->phy_flags = PHY_XGXS_FLAG;
bnx2x_sync_link(params, vars);

35
drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
View File

@ -39,14 +39,39 @@ static inline long bnx2x_hilo(u32 *hiref)
#endif
}
static u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
{
u16 res = sizeof(struct host_port_stats) >> 2;
u16 res = 0;
/* if PFC stats are not supported by the MFW, don't DMA them */
if (!(bp->flags & BC_SUPPORTS_PFC_STATS))
res -= (sizeof(u32)*4) >> 2;
/* 'newest' convention - shmem2 cotains the size of the port stats */
if (SHMEM2_HAS(bp, sizeof_port_stats)) {
u32 size = SHMEM2_RD(bp, sizeof_port_stats);
if (size)
res = size;
/* prevent newer BC from causing buffer overflow */
if (res > sizeof(struct host_port_stats))
res = sizeof(struct host_port_stats);
}
/* Older convention - all BCs support the port stats' fields up until
* the 'not_used' field
*/
if (!res) {
res = offsetof(struct host_port_stats, not_used) + 4;
/* if PFC stats are supported by the MFW, DMA them as well */
if (bp->flags & BC_SUPPORTS_PFC_STATS) {
res += offsetof(struct host_port_stats,
pfc_frames_rx_lo) -
offsetof(struct host_port_stats,
pfc_frames_tx_hi) + 4 ;
}
}
res >>= 2;
WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
return res;
}