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path: root/drivers/net/ethernet/sfc/siena/rx_common.c
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Diffstat (limited to 'drivers/net/ethernet/sfc/siena/rx_common.c')
-rw-r--r--drivers/net/ethernet/sfc/siena/rx_common.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/drivers/net/ethernet/sfc/siena/rx_common.c b/drivers/net/ethernet/sfc/siena/rx_common.c
index 219fb358a646..082e35c6caaa 100644
--- a/drivers/net/ethernet/sfc/siena/rx_common.c
+++ b/drivers/net/ethernet/sfc/siena/rx_common.c
@@ -558,62 +558,6 @@ efx_siena_rx_packet_gro(struct efx_channel *channel,
napi_gro_frags(napi);
}
-/* RSS contexts. We're using linked lists and crappy O(n) algorithms, because
- * (a) this is an infrequent control-plane operation and (b) n is small (max 64)
- */
-struct efx_rss_context *efx_siena_alloc_rss_context_entry(struct efx_nic *efx)
-{
- struct list_head *head = &efx->rss_context.list;
- struct efx_rss_context *ctx, *new;
- u32 id = 1; /* Don't use zero, that refers to the master RSS context */
-
- WARN_ON(!mutex_is_locked(&efx->rss_lock));
-
- /* Search for first gap in the numbering */
- list_for_each_entry(ctx, head, list) {
- if (ctx->user_id != id)
- break;
- id++;
- /* Check for wrap. If this happens, we have nearly 2^32
- * allocated RSS contexts, which seems unlikely.
- */
- if (WARN_ON_ONCE(!id))
- return NULL;
- }
-
- /* Create the new entry */
- new = kmalloc(sizeof(*new), GFP_KERNEL);
- if (!new)
- return NULL;
- new->context_id = EFX_MCDI_RSS_CONTEXT_INVALID;
- new->rx_hash_udp_4tuple = false;
-
- /* Insert the new entry into the gap */
- new->user_id = id;
- list_add_tail(&new->list, &ctx->list);
- return new;
-}
-
-struct efx_rss_context *efx_siena_find_rss_context_entry(struct efx_nic *efx,
- u32 id)
-{
- struct list_head *head = &efx->rss_context.list;
- struct efx_rss_context *ctx;
-
- WARN_ON(!mutex_is_locked(&efx->rss_lock));
-
- list_for_each_entry(ctx, head, list)
- if (ctx->user_id == id)
- return ctx;
- return NULL;
-}
-
-void efx_siena_free_rss_context_entry(struct efx_rss_context *ctx)
-{
- list_del(&ctx->list);
- kfree(ctx);
-}
-
void efx_siena_set_default_rx_indir_table(struct efx_nic *efx,
struct efx_rss_context *ctx)
{