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authorLennert Buytenhek <buytenh@wantstofly.org>2009-02-24 10:41:32 -0500
committerDavid S. Miller <davem@davemloft.net>2009-02-25 02:17:21 -0500
commitab307a3983a7fa28f260f3123293c7b91d5d629e (patch)
tree7c9e21b65d00d32e60f1cf231a60185c4516f95e
parent97daee83b0fd2361cc70be6f3d6ecda69def2103 (diff)
mv643xx_eth: make LRO unconditional
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/Kconfig11
-rw-r--r--drivers/net/mv643xx_eth.c12
2 files changed, 1 insertions, 22 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 7159a39aa2b9..45403e67e351 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2301,6 +2301,7 @@ config UGETH_TX_ON_DEMAND
2301config MV643XX_ETH 2301config MV643XX_ETH
2302 tristate "Marvell Discovery (643XX) and Orion ethernet support" 2302 tristate "Marvell Discovery (643XX) and Orion ethernet support"
2303 depends on MV64360 || MV64X60 || (PPC_MULTIPLATFORM && PPC32) || PLAT_ORION 2303 depends on MV64360 || MV64X60 || (PPC_MULTIPLATFORM && PPC32) || PLAT_ORION
2304 select INET_LRO
2304 select PHYLIB 2305 select PHYLIB
2305 help 2306 help
2306 This driver supports the gigabit ethernet MACs in the 2307 This driver supports the gigabit ethernet MACs in the
@@ -2310,16 +2311,6 @@ config MV643XX_ETH
2310 Some boards that use the Discovery chipset are the Momenco 2311 Some boards that use the Discovery chipset are the Momenco
2311 Ocelot C and Jaguar ATX and Pegasos II. 2312 Ocelot C and Jaguar ATX and Pegasos II.
2312 2313
2313config MV643XX_ETH_LRO
2314 tristate "Marvell 643XX ethernet driver LRO support"
2315 depends on MV643XX_ETH
2316 select INET_LRO
2317 help
2318 Say y here if you want to use Large Receive Offload for the
2319 mv643xx_eth driver.
2320
2321 If in doubt, say N.
2322
2323config QLA3XXX 2314config QLA3XXX
2324 tristate "QLogic QLA3XXX Network Driver Support" 2315 tristate "QLogic QLA3XXX Network Driver Support"
2325 depends on PCI 2316 depends on PCI
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 56912add8b13..d4d5a5690d89 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -351,10 +351,8 @@ struct rx_queue {
351 int rx_desc_area_size; 351 int rx_desc_area_size;
352 struct sk_buff **rx_skb; 352 struct sk_buff **rx_skb;
353 353
354#ifdef CONFIG_MV643XX_ETH_LRO
355 struct net_lro_mgr lro_mgr; 354 struct net_lro_mgr lro_mgr;
356 struct net_lro_desc lro_arr[8]; 355 struct net_lro_desc lro_arr[8];
357#endif
358}; 356};
359 357
360struct tx_queue { 358struct tx_queue {
@@ -516,7 +514,6 @@ static void txq_maybe_wake(struct tx_queue *txq)
516 514
517 515
518/* rx napi ******************************************************************/ 516/* rx napi ******************************************************************/
519#ifdef CONFIG_MV643XX_ETH_LRO
520static int 517static int
521mv643xx_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph, 518mv643xx_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph,
522 u64 *hdr_flags, void *priv) 519 u64 *hdr_flags, void *priv)
@@ -542,7 +539,6 @@ mv643xx_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph,
542 539
543 return 0; 540 return 0;
544} 541}
545#endif
546 542
547static int rxq_process(struct rx_queue *rxq, int budget) 543static int rxq_process(struct rx_queue *rxq, int budget)
548{ 544{
@@ -612,13 +608,11 @@ static int rxq_process(struct rx_queue *rxq, int budget)
612 skb->ip_summed = CHECKSUM_UNNECESSARY; 608 skb->ip_summed = CHECKSUM_UNNECESSARY;
613 skb->protocol = eth_type_trans(skb, mp->dev); 609 skb->protocol = eth_type_trans(skb, mp->dev);
614 610
615#ifdef CONFIG_MV643XX_ETH_LRO
616 if (skb->dev->features & NETIF_F_LRO && 611 if (skb->dev->features & NETIF_F_LRO &&
617 skb->ip_summed == CHECKSUM_UNNECESSARY) { 612 skb->ip_summed == CHECKSUM_UNNECESSARY) {
618 lro_receive_skb(&rxq->lro_mgr, skb, (void *)cmd_sts); 613 lro_receive_skb(&rxq->lro_mgr, skb, (void *)cmd_sts);
619 lro_flush_needed = 1; 614 lro_flush_needed = 1;
620 } else 615 } else
621#endif
622 netif_receive_skb(skb); 616 netif_receive_skb(skb);
623 617
624 continue; 618 continue;
@@ -640,10 +634,8 @@ err:
640 dev_kfree_skb(skb); 634 dev_kfree_skb(skb);
641 } 635 }
642 636
643#ifdef CONFIG_MV643XX_ETH_LRO
644 if (lro_flush_needed) 637 if (lro_flush_needed)
645 lro_flush_all(&rxq->lro_mgr); 638 lro_flush_all(&rxq->lro_mgr);
646#endif
647 639
648 if (rx < budget) 640 if (rx < budget)
649 mp->work_rx &= ~(1 << rxq->index); 641 mp->work_rx &= ~(1 << rxq->index);
@@ -1231,7 +1223,6 @@ static void mv643xx_eth_grab_lro_stats(struct mv643xx_eth_private *mp)
1231 u32 lro_no_desc = 0; 1223 u32 lro_no_desc = 0;
1232 int i; 1224 int i;
1233 1225
1234#ifdef CONFIG_MV643XX_ETH_LRO
1235 for (i = 0; i < mp->rxq_count; i++) { 1226 for (i = 0; i < mp->rxq_count; i++) {
1236 struct rx_queue *rxq = mp->rxq + i; 1227 struct rx_queue *rxq = mp->rxq + i;
1237 1228
@@ -1239,7 +1230,6 @@ static void mv643xx_eth_grab_lro_stats(struct mv643xx_eth_private *mp)
1239 lro_flushed += rxq->lro_mgr.stats.flushed; 1230 lro_flushed += rxq->lro_mgr.stats.flushed;
1240 lro_no_desc += rxq->lro_mgr.stats.no_desc; 1231 lro_no_desc += rxq->lro_mgr.stats.no_desc;
1241 } 1232 }
1242#endif
1243 1233
1244 mp->lro_counters.lro_aggregated = lro_aggregated; 1234 mp->lro_counters.lro_aggregated = lro_aggregated;
1245 mp->lro_counters.lro_flushed = lro_flushed; 1235 mp->lro_counters.lro_flushed = lro_flushed;
@@ -1939,7 +1929,6 @@ static int rxq_init(struct mv643xx_eth_private *mp, int index)
1939 nexti * sizeof(struct rx_desc); 1929 nexti * sizeof(struct rx_desc);
1940 } 1930 }
1941 1931
1942#ifdef CONFIG_MV643XX_ETH_LRO
1943 rxq->lro_mgr.dev = mp->dev; 1932 rxq->lro_mgr.dev = mp->dev;
1944 memset(&rxq->lro_mgr.stats, 0, sizeof(rxq->lro_mgr.stats)); 1933 memset(&rxq->lro_mgr.stats, 0, sizeof(rxq->lro_mgr.stats));
1945 rxq->lro_mgr.features = LRO_F_NAPI; 1934 rxq->lro_mgr.features = LRO_F_NAPI;
@@ -1952,7 +1941,6 @@ static int rxq_init(struct mv643xx_eth_private *mp, int index)
1952 rxq->lro_mgr.get_skb_header = mv643xx_get_skb_header; 1941 rxq->lro_mgr.get_skb_header = mv643xx_get_skb_header;
1953 1942
1954 memset(&rxq->lro_arr, 0, sizeof(rxq->lro_arr)); 1943 memset(&rxq->lro_arr, 0, sizeof(rxq->lro_arr));
1955#endif
1956 1944
1957 return 0; 1945 return 0;
1958 1946