diff options
| author | Jon Cooper <jcooper@solarflare.com> | 2016-05-31 21:12:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-01 06:30:25 +0300 |
| commit | faf8dcc12c2780bfec61eb95e5ad74af2ff4f82f (patch) | |
| tree | adee8258023fae914198628fd0a31899ca88f5f7 /drivers/net/ethernet/sfc/efx.c | |
| parent | d69d169493463e6b1da9a1965d35126e479aa27f (diff) | |
| download | linux-faf8dcc12c2780bfec61eb95e5ad74af2ff4f82f.tar.xz | |
sfc: Track RPS flow IDs per channel instead of per function
Otherwise we get confused when two flows on different channels get the
same flow ID.
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 0705ec869487..097f363f1630 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -1726,14 +1726,33 @@ static int efx_probe_filters(struct efx_nic *efx) #ifdef CONFIG_RFS_ACCEL if (efx->type->offload_features & NETIF_F_NTUPLE) { - efx->rps_flow_id = kcalloc(efx->type->max_rx_ip_filters, - sizeof(*efx->rps_flow_id), - GFP_KERNEL); - if (!efx->rps_flow_id) { + struct efx_channel *channel; + int i, success = 1; + + efx_for_each_channel(channel, efx) { + channel->rps_flow_id = + kcalloc(efx->type->max_rx_ip_filters, + sizeof(*channel->rps_flow_id), + GFP_KERNEL); + if (!channel->rps_flow_id) + success = 0; + else + for (i = 0; + i < efx->type->max_rx_ip_filters; + ++i) + channel->rps_flow_id[i] = + RPS_FLOW_ID_INVALID; + } + + if (!success) { + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); efx->type->filter_table_remove(efx); rc = -ENOMEM; goto out_unlock; } + + efx->rps_expire_index = efx->rps_expire_channel = 0; } #endif out_unlock: @@ -1744,7 +1763,10 @@ out_unlock: static void efx_remove_filters(struct efx_nic *efx) { #ifdef CONFIG_RFS_ACCEL - kfree(efx->rps_flow_id); + struct efx_channel *channel; + + efx_for_each_channel(channel, efx) + kfree(channel->rps_flow_id); #endif down_write(&efx->filter_sem); efx->type->filter_table_remove(efx); |