diff options
| author | Ben Hutchings <bhutchings@solarflare.com> | 2008-09-01 12:49:12 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-09-03 09:53:49 -0400 |
| commit | a816f75ac5caa79b08325e35317f964f03841d52 (patch) | |
| tree | b54b0f02ac67fd7eb6ca2dee844401f28d93de55 | |
| parent | 3c78708fe83d0fff994683e396e28ef259b7497b (diff) | |
sfc: Rework efx_set_multicast_hash()
When !port_enabled, defer the write to reconfigure_mac_wrapper.
Whilst here, simplify the logic now that efx_start_port() always calls
efx_reconfigure_port().
From: Steve Hodgson <shodgson@solarflare.com>
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
| -rw-r--r-- | drivers/net/sfc/efx.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index d5930863691..0d47d6ffe68 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -560,6 +560,12 @@ void __efx_reconfigure_port(struct efx_nic *efx) EFX_LOG(efx, "reconfiguring MAC from PHY settings on CPU %d\n", raw_smp_processor_id()); + /* Serialise the promiscuous flag with efx_set_multicast_list. */ + if (efx_dev_registered(efx)) { + netif_addr_lock_bh(efx->net_dev); + netif_addr_unlock_bh(efx->net_dev); + } + falcon_reconfigure_xmac(efx); /* Inform kernel of loss/gain of carrier */ @@ -1410,26 +1416,19 @@ static int efx_set_mac_address(struct net_device *net_dev, void *data) return 0; } -/* Context: netif_tx_lock held, BHs disabled. */ +/* Context: netif_addr_lock held, BHs disabled. */ static void efx_set_multicast_list(struct net_device *net_dev) { struct efx_nic *efx = netdev_priv(net_dev); struct dev_mc_list *mc_list = net_dev->mc_list; union efx_multicast_hash *mc_hash = &efx->multicast_hash; - bool promiscuous; + bool promiscuous = !!(net_dev->flags & IFF_PROMISC); + bool changed = (efx->promiscuous != promiscuous); u32 crc; int bit; int i; - /* Set per-MAC promiscuity flag and reconfigure MAC if necessary */ - promiscuous = !!(net_dev->flags & IFF_PROMISC); - if (efx->promiscuous != promiscuous) { - efx->promiscuous = promiscuous; - /* Close the window between efx_stop_port() and efx_flush_all() - * by only queuing work when the port is enabled. */ - if (efx->port_enabled) - queue_work(efx->workqueue, &efx->reconfigure_work); - } + efx->promiscuous = promiscuous; /* Build multicast hash table */ if (promiscuous || (net_dev->flags & IFF_ALLMULTI)) { @@ -1444,6 +1443,13 @@ static void efx_set_multicast_list(struct net_device *net_dev) } } + if (!efx->port_enabled) + /* Delay pushing settings until efx_start_port() */ + return; + + if (changed) + queue_work(efx->workqueue, &efx->reconfigure_work); + /* Create and activate new global multicast hash table */ falcon_set_multicast_hash(efx); } |