Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

sfc: Treat all MAC registers as 128-bit

Browse source 
Although all the defined fields in these registers are within 32 bits,
they are architecturally defined as 128-bit like most other Falcon
registers.  In particular, we must use efx_reado() to ensure proper
locking when reading MD_STAT_REG.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-25 16:08:41 +00:00 committed by David S. Miller
parent 46e1ac0f42
commit 80cb9a0f7f
2 changed files with 14 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
drivers/net/sfc/falcon.c
View file

@ -2042,18 +2042,18 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset)
/* Wait for GMII access to complete */
static int falcon_gmii_wait(struct efx_nic *efx)
{
efx_dword_t md_stat;
efx_oword_t md_stat;
int count;
/* wait upto 50ms - taken max from datasheet */
for (count = 0; count < 5000; count++) {
efx_readd(efx, &md_stat, FR_AB_MD_STAT);
if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
if (EFX_DWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
EFX_DWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
efx_reado(efx, &md_stat, FR_AB_MD_STAT);
if (EFX_OWORD_FIELD(md_stat, FRF_AB_MD_BSY) == 0) {
if (EFX_OWORD_FIELD(md_stat, FRF_AB_MD_LNFL) != 0 ||
EFX_OWORD_FIELD(md_stat, FRF_AB_MD_BSERR) != 0) {
EFX_ERR(efx, "error from GMII access "
EFX_DWORD_FMT"\n",
EFX_DWORD_VAL(md_stat));
EFX_OWORD_FMT"\n",
EFX_OWORD_VAL(md_stat));
return -EIO;
}
return 0;

14
drivers/net/sfc/falcon_xmac.c
View file

@ -64,7 +64,7 @@ int falcon_reset_xaui(struct efx_nic *efx)
int count;
/* Start reset sequence */
EFX_POPULATE_DWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
EFX_POPULATE_OWORD_1(reg, FRF_AB_XX_RST_XX_EN, 1);
efx_writeo(efx, &reg, FR_AB_XX_PWR_RST);
/* Wait up to 10 ms for completion, then reinitialise */
@ -146,14 +146,14 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
bool rx_fc = !!(efx->link_state.fc & EFX_FC_RX);
/* Configure MAC - cut-thru mode is hard wired on */
EFX_POPULATE_DWORD_3(reg,
EFX_POPULATE_OWORD_3(reg,
FRF_AB_XM_RX_JUMBO_MODE, 1,
FRF_AB_XM_TX_STAT_EN, 1,
FRF_AB_XM_RX_STAT_EN, 1);
efx_writeo(efx, &reg, FR_AB_XM_GLB_CFG);
/* Configure TX */
EFX_POPULATE_DWORD_6(reg,
EFX_POPULATE_OWORD_6(reg,
FRF_AB_XM_TXEN, 1,
FRF_AB_XM_TX_PRMBL, 1,
FRF_AB_XM_AUTO_PAD, 1,
@ -163,7 +163,7 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
efx_writeo(efx, &reg, FR_AB_XM_TX_CFG);
/* Configure RX */
EFX_POPULATE_DWORD_5(reg,
EFX_POPULATE_OWORD_5(reg,
FRF_AB_XM_RXEN, 1,
FRF_AB_XM_AUTO_DEPAD, 0,
FRF_AB_XM_ACPT_ALL_MCAST, 1,
@ -173,14 +173,14 @@ static void falcon_reconfigure_xmac_core(struct efx_nic *efx)
/* Set frame length */
max_frame_len = EFX_MAX_FRAME_LEN(efx->net_dev->mtu);
EFX_POPULATE_DWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
EFX_POPULATE_OWORD_1(reg, FRF_AB_XM_MAX_RX_FRM_SIZE, max_frame_len);
efx_writeo(efx, &reg, FR_AB_XM_RX_PARAM);
EFX_POPULATE_DWORD_2(reg,
EFX_POPULATE_OWORD_2(reg,
FRF_AB_XM_MAX_TX_FRM_SIZE, max_frame_len,
FRF_AB_XM_TX_JUMBO_MODE, 1);
efx_writeo(efx, &reg, FR_AB_XM_TX_PARAM);
EFX_POPULATE_DWORD_2(reg,
EFX_POPULATE_OWORD_2(reg,
FRF_AB_XM_PAUSE_TIME, 0xfffe, /* MAX PAUSE TIME */
FRF_AB_XM_DIS_FCNTL, !rx_fc);
efx_writeo(efx, &reg, FR_AB_XM_FC);