diff options
| author | Antoine Tenart <antoine.tenart@bootlin.com> | 2019-06-21 18:30:02 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-24 19:20:11 +0300 |
| commit | 97236cda3ae5a133f0c3b7295ddc746d1ea2c9c2 (patch) | |
| tree | 681821ed2ec21ee711eaa85a8d544d4af40d2b2d /drivers/net/ethernet/cadence | |
| parent | 760a3c1aa173cafb6e8c12cc038fa8ef442625b0 (diff) | |
| download | linux-97236cda3ae5a133f0c3b7295ddc746d1ea2c9c2.tar.xz | |
net: macb: use GRO
This patch updates the macb driver to use NAPI GRO helpers when
receiving SKBs. This improves performances.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cadence')
| -rw-r--r-- | drivers/net/ethernet/cadence/macb.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/cadence/macb_main.c | 18 |
2 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h index 6ff123da6a14..515bfd2c9e3f 100644 --- a/drivers/net/ethernet/cadence/macb.h +++ b/drivers/net/ethernet/cadence/macb.h @@ -1060,7 +1060,8 @@ struct macb_or_gem_ops { int (*mog_alloc_rx_buffers)(struct macb *bp); void (*mog_free_rx_buffers)(struct macb *bp); void (*mog_init_rings)(struct macb *bp); - int (*mog_rx)(struct macb_queue *queue, int budget); + int (*mog_rx)(struct macb_queue *queue, struct napi_struct *napi, + int budget); }; /* MACB-PTP interface: adapt to platform needs. */ diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index db97b047b6ef..5d41e41a889c 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -991,7 +991,8 @@ static void discard_partial_frame(struct macb_queue *queue, unsigned int begin, */ } -static int gem_rx(struct macb_queue *queue, int budget) +static int gem_rx(struct macb_queue *queue, struct napi_struct *napi, + int budget) { struct macb *bp = queue->bp; unsigned int len; @@ -1073,7 +1074,7 @@ static int gem_rx(struct macb_queue *queue, int budget) skb->data, 32, true); #endif - netif_receive_skb(skb); + napi_gro_receive(napi, skb); } gem_rx_refill(queue); @@ -1081,8 +1082,8 @@ static int gem_rx(struct macb_queue *queue, int budget) return count; } -static int macb_rx_frame(struct macb_queue *queue, unsigned int first_frag, - unsigned int last_frag) +static int macb_rx_frame(struct macb_queue *queue, struct napi_struct *napi, + unsigned int first_frag, unsigned int last_frag) { unsigned int len; unsigned int frag; @@ -1158,7 +1159,7 @@ static int macb_rx_frame(struct macb_queue *queue, unsigned int first_frag, bp->dev->stats.rx_bytes += skb->len; netdev_vdbg(bp->dev, "received skb of length %u, csum: %08x\n", skb->len, skb->csum); - netif_receive_skb(skb); + napi_gro_receive(napi, skb); return 0; } @@ -1181,7 +1182,8 @@ static inline void macb_init_rx_ring(struct macb_queue *queue) queue->rx_tail = 0; } -static int macb_rx(struct macb_queue *queue, int budget) +static int macb_rx(struct macb_queue *queue, struct napi_struct *napi, + int budget) { struct macb *bp = queue->bp; bool reset_rx_queue = false; @@ -1218,7 +1220,7 @@ static int macb_rx(struct macb_queue *queue, int budget) continue; } - dropped = macb_rx_frame(queue, first_frag, tail); + dropped = macb_rx_frame(queue, napi, first_frag, tail); first_frag = -1; if (unlikely(dropped < 0)) { reset_rx_queue = true; @@ -1272,7 +1274,7 @@ static int macb_poll(struct napi_struct *napi, int budget) netdev_vdbg(bp->dev, "poll: status = %08lx, budget = %d\n", (unsigned long)status, budget); - work_done = bp->macbgem_ops.mog_rx(queue, budget); + work_done = bp->macbgem_ops.mog_rx(queue, napi, budget); if (work_done < budget) { napi_complete_done(napi, work_done); |