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path: root/drivers/net/sfc/efx.c
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Diffstat (limited to 'drivers/net/sfc/efx.c')
-rw-r--r--drivers/net/sfc/efx.c18
1 files changed, 6 insertions, 12 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;