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path: root/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
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Diffstat (limited to 'drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c104
1 files changed, 69 insertions, 35 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 5fa847fe388a..d3f8797efcc3 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -9,6 +9,7 @@
#include <linux/if_vlan.h>
#include <net/ip.h>
#include <linux/ipv6.h>
+#include <net/checksum.h>
#include "qlcnic.h"
@@ -146,7 +147,10 @@ static inline u8 qlcnic_mac_hash(u64 mac)
static inline u32 qlcnic_get_ref_handle(struct qlcnic_adapter *adapter,
u16 handle, u8 ring_id)
{
- if (adapter->pdev->device == PCI_DEVICE_ID_QLOGIC_QLE834X)
+ unsigned short device = adapter->pdev->device;
+
+ if ((device == PCI_DEVICE_ID_QLOGIC_QLE834X) ||
+ (device == PCI_DEVICE_ID_QLOGIC_VF_QLE834X))
return handle | (ring_id << 15);
else
return handle;
@@ -158,7 +162,7 @@ static inline int qlcnic_82xx_is_lb_pkt(u64 sts_data)
}
void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb,
- int loopback_pkt, __le16 vlan_id)
+ int loopback_pkt, u16 vlan_id)
{
struct ethhdr *phdr = (struct ethhdr *)(skb->data);
struct qlcnic_filter *fil, *tmp_fil;
@@ -236,7 +240,7 @@ void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb,
}
void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr,
- __le16 vlan_id)
+ u16 vlan_id)
{
struct cmd_desc_type0 *hwdesc;
struct qlcnic_nic_req *req;
@@ -261,7 +265,7 @@ void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr,
memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN);
vlan_req = (struct qlcnic_vlan_req *)&req->words[1];
- vlan_req->vlan_id = vlan_id;
+ vlan_req->vlan_id = cpu_to_le16(vlan_id);
tx_ring->producer = get_next_index(producer, tx_ring->num_desc);
smp_mb();
@@ -277,7 +281,7 @@ static void qlcnic_send_filter(struct qlcnic_adapter *adapter,
struct net_device *netdev = adapter->netdev;
struct ethhdr *phdr = (struct ethhdr *)(skb->data);
u64 src_addr = 0;
- __le16 vlan_id = 0;
+ u16 vlan_id = 0;
u8 hindex;
if (ether_addr_equal(phdr->h_source, adapter->mac_addr))
@@ -340,14 +344,14 @@ static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
flags = FLAGS_VLAN_OOB;
vlan_tci = vlan_tx_tag_get(skb);
}
- if (unlikely(adapter->pvid)) {
+ if (unlikely(adapter->tx_pvid)) {
if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
return -EIO;
if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
goto set_flags;
flags = FLAGS_VLAN_OOB;
- vlan_tci = adapter->pvid;
+ vlan_tci = adapter->tx_pvid;
}
set_flags:
qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
@@ -975,10 +979,10 @@ static inline int qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter,
memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2);
skb_pull(skb, VLAN_HLEN);
}
- if (!adapter->pvid)
+ if (!adapter->rx_pvid)
return 0;
- if (*vlan_tag == adapter->pvid) {
+ if (*vlan_tag == adapter->rx_pvid) {
/* Outer vlan tag. Packet should follow non-vlan path */
*vlan_tag = 0xffff;
return 0;
@@ -1024,8 +1028,7 @@ qlcnic_process_rcv(struct qlcnic_adapter *adapter,
(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
t_vid = 0;
is_lb_pkt = qlcnic_82xx_is_lb_pkt(sts_data0);
- qlcnic_add_lb_filter(adapter, skb, is_lb_pkt,
- cpu_to_le16(t_vid));
+ qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid);
}
if (length > rds_ring->skb_size)
@@ -1045,7 +1048,7 @@ qlcnic_process_rcv(struct qlcnic_adapter *adapter,
skb->protocol = eth_type_trans(skb, netdev);
if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
napi_gro_receive(&sds_ring->napi, skb);
@@ -1102,8 +1105,7 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
t_vid = 0;
is_lb_pkt = qlcnic_82xx_is_lb_pkt(sts_data0);
- qlcnic_add_lb_filter(adapter, skb, is_lb_pkt,
- cpu_to_le16(t_vid));
+ qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid);
}
if (timestamp)
@@ -1131,9 +1133,8 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
iph = (struct iphdr *)skb->data;
th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
+ csum_replace2(&iph->check, iph->tot_len, htons(length));
iph->tot_len = htons(length);
- iph->check = 0;
- iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
}
th->psh = push;
@@ -1149,7 +1150,7 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
}
if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
netif_receive_skb(skb);
adapter->stats.lro_pkts++;
@@ -1496,8 +1497,7 @@ qlcnic_83xx_process_rcv(struct qlcnic_adapter *adapter,
(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
t_vid = 0;
is_lb_pkt = qlcnic_83xx_is_lb_pkt(sts_data[1], 0);
- qlcnic_add_lb_filter(adapter, skb, is_lb_pkt,
- cpu_to_le16(t_vid));
+ qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid);
}
if (length > rds_ring->skb_size)
@@ -1514,7 +1514,7 @@ qlcnic_83xx_process_rcv(struct qlcnic_adapter *adapter,
skb->protocol = eth_type_trans(skb, netdev);
if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
napi_gro_receive(&sds_ring->napi, skb);
@@ -1566,8 +1566,7 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter,
(adapter->flags & QLCNIC_ESWITCH_ENABLED)) {
t_vid = 0;
is_lb_pkt = qlcnic_83xx_is_lb_pkt(sts_data[1], 1);
- qlcnic_add_lb_filter(adapter, skb, is_lb_pkt,
- cpu_to_le16(t_vid));
+ qlcnic_add_lb_filter(adapter, skb, is_lb_pkt, t_vid);
}
if (qlcnic_83xx_is_tstamp(sts_data[1]))
data_offset = l4_hdr_offset + QLCNIC_TCP_TS_HDR_SIZE;
@@ -1594,9 +1593,8 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter,
iph = (struct iphdr *)skb->data;
th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
+ csum_replace2(&iph->check, iph->tot_len, htons(length));
iph->tot_len = htons(length);
- iph->check = 0;
- iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
}
th->psh = push;
@@ -1612,7 +1610,7 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter,
}
if (vid != 0xffff)
- __vlan_hwaccel_put_tag(skb, vid);
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
netif_receive_skb(skb);
@@ -1691,6 +1689,29 @@ skip:
return count;
}
+static int qlcnic_83xx_msix_sriov_vf_poll(struct napi_struct *napi, int budget)
+{
+ int tx_complete;
+ int work_done;
+ struct qlcnic_host_sds_ring *sds_ring;
+ struct qlcnic_adapter *adapter;
+ struct qlcnic_host_tx_ring *tx_ring;
+
+ sds_ring = container_of(napi, struct qlcnic_host_sds_ring, napi);
+ adapter = sds_ring->adapter;
+ /* tx ring count = 1 */
+ tx_ring = adapter->tx_ring;
+
+ tx_complete = qlcnic_process_cmd_ring(adapter, tx_ring, budget);
+ work_done = qlcnic_83xx_process_rcv_ring(sds_ring, budget);
+ if ((work_done < budget) && tx_complete) {
+ napi_complete(&sds_ring->napi);
+ qlcnic_83xx_enable_intr(adapter, sds_ring);
+ }
+
+ return work_done;
+}
+
static int qlcnic_83xx_poll(struct napi_struct *napi, int budget)
{
int tx_complete;
@@ -1768,7 +1789,8 @@ void qlcnic_83xx_napi_enable(struct qlcnic_adapter *adapter)
qlcnic_83xx_enable_intr(adapter, sds_ring);
}
- if (adapter->flags & QLCNIC_MSIX_ENABLED) {
+ if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
+ !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
napi_enable(&tx_ring->napi);
@@ -1795,7 +1817,8 @@ void qlcnic_83xx_napi_disable(struct qlcnic_adapter *adapter)
napi_disable(&sds_ring->napi);
}
- if (adapter->flags & QLCNIC_MSIX_ENABLED) {
+ if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
+ !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
qlcnic_83xx_disable_tx_intr(adapter, tx_ring);
@@ -1808,7 +1831,7 @@ void qlcnic_83xx_napi_disable(struct qlcnic_adapter *adapter)
int qlcnic_83xx_napi_add(struct qlcnic_adapter *adapter,
struct net_device *netdev)
{
- int ring, max_sds_rings;
+ int ring, max_sds_rings, temp;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
@@ -1819,14 +1842,23 @@ int qlcnic_83xx_napi_add(struct qlcnic_adapter *adapter,
max_sds_rings = adapter->max_sds_rings;
for (ring = 0; ring < adapter->max_sds_rings; ring++) {
sds_ring = &recv_ctx->sds_rings[ring];
- if (adapter->flags & QLCNIC_MSIX_ENABLED)
- netif_napi_add(netdev, &sds_ring->napi,
- qlcnic_83xx_rx_poll,
- QLCNIC_NETDEV_WEIGHT * 2);
- else
+ if (adapter->flags & QLCNIC_MSIX_ENABLED) {
+ if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
+ netif_napi_add(netdev, &sds_ring->napi,
+ qlcnic_83xx_rx_poll,
+ QLCNIC_NETDEV_WEIGHT * 2);
+ } else {
+ temp = QLCNIC_NETDEV_WEIGHT / max_sds_rings;
+ netif_napi_add(netdev, &sds_ring->napi,
+ qlcnic_83xx_msix_sriov_vf_poll,
+ temp);
+ }
+
+ } else {
netif_napi_add(netdev, &sds_ring->napi,
qlcnic_83xx_poll,
QLCNIC_NETDEV_WEIGHT / max_sds_rings);
+ }
}
if (qlcnic_alloc_tx_rings(adapter, netdev)) {
@@ -1834,7 +1866,8 @@ int qlcnic_83xx_napi_add(struct qlcnic_adapter *adapter,
return -ENOMEM;
}
- if (adapter->flags & QLCNIC_MSIX_ENABLED) {
+ if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
+ !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
netif_napi_add(netdev, &tx_ring->napi,
@@ -1860,7 +1893,8 @@ void qlcnic_83xx_napi_del(struct qlcnic_adapter *adapter)
qlcnic_free_sds_rings(adapter->recv_ctx);
- if ((adapter->flags & QLCNIC_MSIX_ENABLED)) {
+ if ((adapter->flags & QLCNIC_MSIX_ENABLED) &&
+ !(adapter->flags & QLCNIC_TX_INTR_SHARED)) {
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
netif_napi_del(&tx_ring->napi);
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-28 17:58:38 +0000