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sfc: Move details of a Falcon bug workaround out of ethtool.c

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Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings
2012-09-13 01:11:25 +01:00
parent e847b53e9e
commit 9dd3a13b88
5 changed files with 31 additions and 23 deletions
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26
drivers/net/ethernet/sfc/falcon.c
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@@ -497,7 +497,7 @@ static void falcon_reset_macs(struct efx_nic *efx)
falcon_setup_xaui(efx);
}
void falcon_drain_tx_fifo(struct efx_nic *efx)
static void falcon_drain_tx_fifo(struct efx_nic *efx)
{
efx_oword_t reg;
@@ -678,6 +678,28 @@ static int falcon_reconfigure_port(struct efx_nic *efx)
return 0;
}
/* TX flow control may automatically turn itself off if the link
* partner (intermittently) stops responding to pause frames. There
* isn't any indication that this has happened, so the best we do is
* leave it up to the user to spot this and fix it by cycling transmit
* flow control on this end.
*/
static void falcon_a1_prepare_enable_fc_tx(struct efx_nic *efx)
{
/* Schedule a reset to recover */
efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
}
static void falcon_b0_prepare_enable_fc_tx(struct efx_nic *efx)
{
/* Recover by resetting the EM block */
falcon_stop_nic_stats(efx);
falcon_drain_tx_fifo(efx);
falcon_reconfigure_xmac(efx);
falcon_start_nic_stats(efx);
}
/**************************************************************************
*
* PHY access via GMII
@@ -1798,6 +1820,7 @@ const struct efx_nic_type falcon_a1_nic_type = {
.set_id_led = falcon_set_id_led,
.push_irq_moderation = falcon_push_irq_moderation,
.reconfigure_port = falcon_reconfigure_port,
.prepare_enable_fc_tx = falcon_a1_prepare_enable_fc_tx,
.reconfigure_mac = falcon_reconfigure_xmac,
.check_mac_fault = falcon_xmac_check_fault,
.get_wol = falcon_get_wol,
@@ -1842,6 +1865,7 @@ const struct efx_nic_type falcon_b0_nic_type = {
.set_id_led = falcon_set_id_led,
.push_irq_moderation = falcon_push_irq_moderation,
.reconfigure_port = falcon_reconfigure_port,
.prepare_enable_fc_tx = falcon_b0_prepare_enable_fc_tx,
.reconfigure_mac = falcon_reconfigure_xmac,
.check_mac_fault = falcon_xmac_check_fault,
.get_wol = falcon_get_wol,