summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/Kconfig1
-rw-r--r--drivers/net/cxgb3/adapter.h13
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c42
-rw-r--r--drivers/net/cxgb3/sge.c119
-rw-r--r--drivers/scsi/cxgb3i/cxgb3i_ddp.h2
5 files changed, 24 insertions, 153 deletions
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 805682586c82..c4776a2adf00 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2407,7 +2407,6 @@ config CHELSIO_T3
tristate "Chelsio Communications T3 10Gb Ethernet support"
depends on CHELSIO_T3_DEPENDS
select FW_LOADER
- select INET_LRO
help
This driver supports Chelsio T3-based gigabit and 10Gb Ethernet
adapters.
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 5fb7c6851eb2..fbe15699584e 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -42,7 +42,6 @@
#include <linux/cache.h>
#include <linux/mutex.h>
#include <linux/bitops.h>
-#include <linux/inet_lro.h>
#include "t3cdev.h"
#include <asm/io.h>
@@ -178,15 +177,11 @@ enum { /* per port SGE statistics */
SGE_PSTAT_TX_CSUM, /* # of TX checksum offloads */
SGE_PSTAT_VLANEX, /* # of VLAN tag extractions */
SGE_PSTAT_VLANINS, /* # of VLAN tag insertions */
- SGE_PSTAT_LRO_AGGR, /* # of page chunks added to LRO sessions */
- SGE_PSTAT_LRO_FLUSHED, /* # of flushed LRO sessions */
- SGE_PSTAT_LRO_NO_DESC, /* # of overflown LRO sessions */
SGE_PSTAT_MAX /* must be last */
};
-#define T3_MAX_LRO_SES 8
-#define T3_MAX_LRO_MAX_PKTS 64
+struct napi_gro_fraginfo;
struct sge_qset { /* an SGE queue set */
struct adapter *adap;
@@ -194,12 +189,8 @@ struct sge_qset { /* an SGE queue set */
struct sge_rspq rspq;
struct sge_fl fl[SGE_RXQ_PER_SET];
struct sge_txq txq[SGE_TXQ_PER_SET];
- struct net_lro_mgr lro_mgr;
- struct net_lro_desc lro_desc[T3_MAX_LRO_SES];
- struct skb_frag_struct *lro_frag_tbl;
- int lro_nfrags;
+ struct napi_gro_fraginfo lro_frag_tbl;
int lro_enabled;
- int lro_frag_len;
void *lro_va;
struct net_device *netdev;
struct netdev_queue *tx_q; /* associated netdev TX queue */
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 52131bd4cc70..7381f378b4e6 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -508,19 +508,9 @@ static void set_qset_lro(struct net_device *dev, int qset_idx, int val)
{
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
- int i, lro_on = 1;
adapter->params.sge.qset[qset_idx].lro = !!val;
adapter->sge.qs[qset_idx].lro_enabled = !!val;
-
- /* let ethtool report LRO on only if all queues are LRO enabled */
- for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; ++i)
- lro_on &= adapter->params.sge.qset[i].lro;
-
- if (lro_on)
- dev->features |= NETIF_F_LRO;
- else
- dev->features &= ~NETIF_F_LRO;
}
/**
@@ -1433,9 +1423,9 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
*data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_VLANINS);
*data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_TX_CSUM);
*data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_RX_CSUM_GOOD);
- *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_AGGR);
- *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_FLUSHED);
- *data++ = collect_sge_port_stats(adapter, pi, SGE_PSTAT_LRO_NO_DESC);
+ *data++ = 0;
+ *data++ = 0;
+ *data++ = 0;
*data++ = s->rx_cong_drops;
*data++ = s->num_toggled;
@@ -1826,28 +1816,6 @@ static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
memset(&wol->sopass, 0, sizeof(wol->sopass));
}
-static int cxgb3_set_flags(struct net_device *dev, u32 data)
-{
- struct port_info *pi = netdev_priv(dev);
- int i;
-
- if (data & ETH_FLAG_LRO) {
- if (!(pi->rx_offload & T3_RX_CSUM))
- return -EINVAL;
-
- pi->rx_offload |= T3_LRO;
- for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++)
- set_qset_lro(dev, i, 1);
-
- } else {
- pi->rx_offload &= ~T3_LRO;
- for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++)
- set_qset_lro(dev, i, 0);
- }
-
- return 0;
-}
-
static const struct ethtool_ops cxgb_ethtool_ops = {
.get_settings = get_settings,
.set_settings = set_settings,
@@ -1877,8 +1845,6 @@ static const struct ethtool_ops cxgb_ethtool_ops = {
.get_regs = get_regs,
.get_wol = get_wol,
.set_tso = ethtool_op_set_tso,
- .get_flags = ethtool_op_get_flags,
- .set_flags = cxgb3_set_flags,
};
static int in_range(int val, int lo, int hi)
@@ -2967,7 +2933,7 @@ static int __devinit init_one(struct pci_dev *pdev,
netdev->mem_end = mmio_start + mmio_len - 1;
netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
netdev->features |= NETIF_F_LLTX;
- netdev->features |= NETIF_F_LRO;
+ netdev->features |= NETIF_F_GRO;
if (pci_using_dac)
netdev->features |= NETIF_F_HIGHDMA;
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 379a1324db4e..8299fb538f25 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -585,8 +585,7 @@ static void t3_reset_qset(struct sge_qset *q)
memset(q->txq, 0, sizeof(struct sge_txq) * SGE_TXQ_PER_SET);
q->txq_stopped = 0;
q->tx_reclaim_timer.function = NULL; /* for t3_stop_sge_timers() */
- kfree(q->lro_frag_tbl);
- q->lro_nfrags = q->lro_frag_len = 0;
+ q->lro_frag_tbl.nr_frags = q->lro_frag_tbl.len = 0;
}
@@ -1945,10 +1944,8 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
qs->port_stats[SGE_PSTAT_VLANEX]++;
if (likely(grp))
if (lro)
- lro_vlan_hwaccel_receive_skb(&qs->lro_mgr, skb,
- grp,
- ntohs(p->vlan),
- p);
+ vlan_gro_receive(&qs->napi, grp,
+ ntohs(p->vlan), skb);
else {
if (unlikely(pi->iscsi_ipv4addr &&
is_arp(skb))) {
@@ -1965,7 +1962,7 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
dev_kfree_skb_any(skb);
} else if (rq->polling) {
if (lro)
- lro_receive_skb(&qs->lro_mgr, skb, p);
+ napi_gro_receive(&qs->napi, skb);
else {
if (unlikely(pi->iscsi_ipv4addr && is_arp(skb)))
cxgb3_arp_process(adap, skb);
@@ -1981,59 +1978,6 @@ static inline int is_eth_tcp(u32 rss)
}
/**
- * lro_frame_ok - check if an ingress packet is eligible for LRO
- * @p: the CPL header of the packet
- *
- * Returns true if a received packet is eligible for LRO.
- * The following conditions must be true:
- * - packet is TCP/IP Ethernet II (checked elsewhere)
- * - not an IP fragment
- * - no IP options
- * - TCP/IP checksums are correct
- * - the packet is for this host
- */
-static inline int lro_frame_ok(const struct cpl_rx_pkt *p)
-{
- const struct ethhdr *eh = (struct ethhdr *)(p + 1);
- const struct iphdr *ih = (struct iphdr *)(eh + 1);
-
- return (*((u8 *)p + 1) & 0x90) == 0x10 && p->csum == htons(0xffff) &&
- eh->h_proto == htons(ETH_P_IP) && ih->ihl == (sizeof(*ih) >> 2);
-}
-
-static int t3_get_lro_header(void **eh, void **iph, void **tcph,
- u64 *hdr_flags, void *priv)
-{
- const struct cpl_rx_pkt *cpl = priv;
-
- if (!lro_frame_ok(cpl))
- return -1;
-
- *eh = (struct ethhdr *)(cpl + 1);
- *iph = (struct iphdr *)((struct ethhdr *)*eh + 1);
- *tcph = (struct tcphdr *)((struct iphdr *)*iph + 1);
-
- *hdr_flags = LRO_IPV4 | LRO_TCP;
- return 0;
-}
-
-static int t3_get_skb_header(struct sk_buff *skb,
- void **iph, void **tcph, u64 *hdr_flags,
- void *priv)
-{
- void *eh;
-
- return t3_get_lro_header(&eh, iph, tcph, hdr_flags, priv);
-}
-
-static int t3_get_frag_header(struct skb_frag_struct *frag, void **eh,
- void **iph, void **tcph, u64 *hdr_flags,
- void *priv)
-{
- return t3_get_lro_header(eh, iph, tcph, hdr_flags, priv);
-}
-
-/**
* lro_add_page - add a page chunk to an LRO session
* @adap: the adapter
* @qs: the associated queue set
@@ -2049,8 +1993,9 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
{
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
struct cpl_rx_pkt *cpl;
- struct skb_frag_struct *rx_frag = qs->lro_frag_tbl;
- int nr_frags = qs->lro_nfrags, frag_len = qs->lro_frag_len;
+ struct skb_frag_struct *rx_frag = qs->lro_frag_tbl.frags;
+ int nr_frags = qs->lro_frag_tbl.nr_frags;
+ int frag_len = qs->lro_frag_tbl.len;
int offset = 0;
if (!nr_frags) {
@@ -2069,13 +2014,13 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
rx_frag->page_offset = sd->pg_chunk.offset + offset;
rx_frag->size = len;
frag_len += len;
- qs->lro_nfrags++;
- qs->lro_frag_len = frag_len;
+ qs->lro_frag_tbl.nr_frags++;
+ qs->lro_frag_tbl.len = frag_len;
if (!complete)
return;
- qs->lro_nfrags = qs->lro_frag_len = 0;
+ qs->lro_frag_tbl.ip_summed = CHECKSUM_UNNECESSARY;
cpl = qs->lro_va;
if (unlikely(cpl->vlan_valid)) {
@@ -2084,36 +2029,15 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
struct vlan_group *grp = pi->vlan_grp;
if (likely(grp != NULL)) {
- lro_vlan_hwaccel_receive_frags(&qs->lro_mgr,
- qs->lro_frag_tbl,
- frag_len, frag_len,
- grp, ntohs(cpl->vlan),
- cpl, 0);
- return;
+ vlan_gro_frags(&qs->napi, grp, ntohs(cpl->vlan),
+ &qs->lro_frag_tbl);
+ goto out;
}
}
- lro_receive_frags(&qs->lro_mgr, qs->lro_frag_tbl,
- frag_len, frag_len, cpl, 0);
-}
+ napi_gro_frags(&qs->napi, &qs->lro_frag_tbl);
-/**
- * init_lro_mgr - initialize a LRO manager object
- * @lro_mgr: the LRO manager object
- */
-static void init_lro_mgr(struct sge_qset *qs, struct net_lro_mgr *lro_mgr)
-{
- lro_mgr->dev = qs->netdev;
- lro_mgr->features = LRO_F_NAPI;
- lro_mgr->frag_align_pad = NET_IP_ALIGN;
- lro_mgr->ip_summed = CHECKSUM_UNNECESSARY;
- lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY;
- lro_mgr->max_desc = T3_MAX_LRO_SES;
- lro_mgr->lro_arr = qs->lro_desc;
- lro_mgr->get_frag_header = t3_get_frag_header;
- lro_mgr->get_skb_header = t3_get_skb_header;
- lro_mgr->max_aggr = T3_MAX_LRO_MAX_PKTS;
- if (lro_mgr->max_aggr > MAX_SKB_FRAGS)
- lro_mgr->max_aggr = MAX_SKB_FRAGS;
+out:
+ qs->lro_frag_tbl.nr_frags = qs->lro_frag_tbl.len = 0;
}
/**
@@ -2357,10 +2281,6 @@ next_fl:
}
deliver_partial_bundle(&adap->tdev, q, offload_skbs, ngathered);
- lro_flush_all(&qs->lro_mgr);
- qs->port_stats[SGE_PSTAT_LRO_AGGR] = qs->lro_mgr.stats.aggregated;
- qs->port_stats[SGE_PSTAT_LRO_FLUSHED] = qs->lro_mgr.stats.flushed;
- qs->port_stats[SGE_PSTAT_LRO_NO_DESC] = qs->lro_mgr.stats.no_desc;
if (sleeping)
check_ring_db(adap, qs, sleeping);
@@ -2907,7 +2827,6 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
{
int i, avail, ret = -ENOMEM;
struct sge_qset *q = &adapter->sge.qs[id];
- struct net_lro_mgr *lro_mgr = &q->lro_mgr;
init_qset_cntxt(q, id);
setup_timer(&q->tx_reclaim_timer, sge_timer_cb, (unsigned long)q);
@@ -2987,10 +2906,6 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
q->fl[0].order = FL0_PG_ORDER;
q->fl[1].order = FL1_PG_ORDER;
- q->lro_frag_tbl = kcalloc(MAX_FRAME_SIZE / FL1_PG_CHUNK_SIZE + 1,
- sizeof(struct skb_frag_struct),
- GFP_KERNEL);
- q->lro_nfrags = q->lro_frag_len = 0;
spin_lock_irq(&adapter->sge.reg_lock);
/* FL threshold comparison uses < */
@@ -3042,8 +2957,6 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
q->tx_q = netdevq;
t3_update_qset_coalesce(q, p);
- init_lro_mgr(q, lro_mgr);
-
avail = refill_fl(adapter, &q->fl[0], q->fl[0].size,
GFP_KERNEL | __GFP_COMP);
if (!avail) {
diff --git a/drivers/scsi/cxgb3i/cxgb3i_ddp.h b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
index 5c7c4d95c493..f675807cc48f 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_ddp.h
+++ b/drivers/scsi/cxgb3i/cxgb3i_ddp.h
@@ -13,6 +13,8 @@
#ifndef __CXGB3I_ULP2_DDP_H__
#define __CXGB3I_ULP2_DDP_H__
+#include <linux/vmalloc.h>
+
/**
* struct cxgb3i_tag_format - cxgb3i ulp tag format for an iscsi entity
*
OpenPOWER on IntegriCloud