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authorDavid S. Miller <davem@davemloft.net>2011-01-14 15:42:38 -0500
committerDavid S. Miller <davem@davemloft.net>2011-01-14 15:42:38 -0500
commit886d7f444cbf72d5a424ea5fee4e34a0219d4af1 (patch)
treeb9bac92abf5bd6db89cf393a297fced0bb8b0121 /drivers/net
parentb7e2041e2a184e3221970eaacf56724369e56bd9 (diff)
parent5b874e25c5c84bc45fc205407286fbe4744f4776 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-2.6
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/sfc/efx.c18
-rw-r--r--drivers/net/sfc/net_driver.h10
2 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 711449c6e675..002bac743843 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1153,6 +1153,9 @@ static int efx_wanted_channels(void)
1153 int count; 1153 int count;
1154 int cpu; 1154 int cpu;
1155 1155
1156 if (rss_cpus)
1157 return rss_cpus;
1158
1156 if (unlikely(!zalloc_cpumask_var(&core_mask, GFP_KERNEL))) { 1159 if (unlikely(!zalloc_cpumask_var(&core_mask, GFP_KERNEL))) {
1157 printk(KERN_WARNING 1160 printk(KERN_WARNING
1158 "sfc: RSS disabled due to allocation failure\n"); 1161 "sfc: RSS disabled due to allocation failure\n");
@@ -1266,27 +1269,18 @@ static void efx_remove_interrupts(struct efx_nic *efx)
1266 efx->legacy_irq = 0; 1269 efx->legacy_irq = 0;
1267} 1270}
1268 1271
1269struct efx_tx_queue *
1270efx_get_tx_queue(struct efx_nic *efx, unsigned index, unsigned type)
1271{
1272 unsigned tx_channel_offset =
1273 separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0;
1274 EFX_BUG_ON_PARANOID(index >= efx->n_tx_channels ||
1275 type >= EFX_TXQ_TYPES);
1276 return &efx->channel[tx_channel_offset + index]->tx_queue[type];
1277}
1278
1279static void efx_set_channels(struct efx_nic *efx) 1272static void efx_set_channels(struct efx_nic *efx)
1280{ 1273{
1281 struct efx_channel *channel; 1274 struct efx_channel *channel;
1282 struct efx_tx_queue *tx_queue; 1275 struct efx_tx_queue *tx_queue;
1283 unsigned tx_channel_offset = 1276
1277 efx->tx_channel_offset =
1284 separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0; 1278 separate_tx_channels ? efx->n_channels - efx->n_tx_channels : 0;
1285 1279
1286 /* Channel pointers were set in efx_init_struct() but we now 1280 /* Channel pointers were set in efx_init_struct() but we now
1287 * need to clear them for TX queues in any RX-only channels. */ 1281 * need to clear them for TX queues in any RX-only channels. */
1288 efx_for_each_channel(channel, efx) { 1282 efx_for_each_channel(channel, efx) {
1289 if (channel->channel - tx_channel_offset >= 1283 if (channel->channel - efx->tx_channel_offset >=
1290 efx->n_tx_channels) { 1284 efx->n_tx_channels) {
1291 efx_for_each_channel_tx_queue(tx_queue, channel) 1285 efx_for_each_channel_tx_queue(tx_queue, channel)
1292 tx_queue->channel = NULL; 1286 tx_queue->channel = NULL;
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index bdce66ddf93a..28df8665256a 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -735,6 +735,7 @@ struct efx_nic {
735 unsigned next_buffer_table; 735 unsigned next_buffer_table;
736 unsigned n_channels; 736 unsigned n_channels;
737 unsigned n_rx_channels; 737 unsigned n_rx_channels;
738 unsigned tx_channel_offset;
738 unsigned n_tx_channels; 739 unsigned n_tx_channels;
739 unsigned int rx_buffer_len; 740 unsigned int rx_buffer_len;
740 unsigned int rx_buffer_order; 741 unsigned int rx_buffer_order;
@@ -929,8 +930,13 @@ efx_get_channel(struct efx_nic *efx, unsigned index)
929 _channel = (_channel->channel + 1 < (_efx)->n_channels) ? \ 930 _channel = (_channel->channel + 1 < (_efx)->n_channels) ? \
930 (_efx)->channel[_channel->channel + 1] : NULL) 931 (_efx)->channel[_channel->channel + 1] : NULL)
931 932
932extern struct efx_tx_queue * 933static inline struct efx_tx_queue *
933efx_get_tx_queue(struct efx_nic *efx, unsigned index, unsigned type); 934efx_get_tx_queue(struct efx_nic *efx, unsigned index, unsigned type)
935{
936 EFX_BUG_ON_PARANOID(index >= efx->n_tx_channels ||
937 type >= EFX_TXQ_TYPES);
938 return &efx->channel[efx->tx_channel_offset + index]->tx_queue[type];
939}
934 940
935static inline struct efx_tx_queue * 941static inline struct efx_tx_queue *
936efx_channel_get_tx_queue(struct efx_channel *channel, unsigned type) 942efx_channel_get_tx_queue(struct efx_channel *channel, unsigned type)