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-rw-r--r--drivers/net/enic/enic_main.c517
1 files changed, 294 insertions, 223 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index bc7d6b96de3d..77a7f87d498e 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2008 Cisco Systems, Inc. All rights reserved.
+ * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
@@ -29,12 +29,12 @@
#include <linux/etherdevice.h>
#include <linux/if_ether.h>
#include <linux/if_vlan.h>
-#include <linux/if_link.h>
#include <linux/ethtool.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/tcp.h>
+#include <linux/rtnetlink.h>
#include <net/ip6_checksum.h>
#include "cq_enet_desc.h"
@@ -145,15 +145,25 @@ static int enic_get_settings(struct net_device *netdev,
return 0;
}
+static int enic_dev_fw_info(struct enic *enic,
+ struct vnic_devcmd_fw_info **fw_info)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_fw_info(enic->vdev, fw_info);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
static void enic_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct enic *enic = netdev_priv(netdev);
struct vnic_devcmd_fw_info *fw_info;
- spin_lock(&enic->devcmd_lock);
- vnic_dev_fw_info(enic->vdev, &fw_info);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_fw_info(enic, &fw_info);
strncpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
strncpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
@@ -191,6 +201,17 @@ static int enic_get_sset_count(struct net_device *netdev, int sset)
}
}
+static int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_stats_dump(enic->vdev, vstats);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
static void enic_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
@@ -198,9 +219,7 @@ static void enic_get_ethtool_stats(struct net_device *netdev,
struct vnic_stats *vstats;
unsigned int i;
- spin_lock(&enic->devcmd_lock);
- vnic_dev_stats_dump(enic->vdev, &vstats);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_stats_dump(enic, &vstats);
for (i = 0; i < enic_n_tx_stats; i++)
*(data++) = ((u64 *)&vstats->tx)[enic_tx_stats[i].offset];
@@ -346,7 +365,6 @@ static const struct ethtool_ops enic_ethtool_ops = {
.get_coalesce = enic_get_coalesce,
.set_coalesce = enic_set_coalesce,
.get_flags = ethtool_op_get_flags,
- .set_flags = ethtool_op_set_flags,
};
static void enic_free_wq_buf(struct vnic_wq *wq, struct vnic_wq_buf *buf)
@@ -399,54 +417,55 @@ static void enic_log_q_error(struct enic *enic)
for (i = 0; i < enic->wq_count; i++) {
error_status = vnic_wq_error_status(&enic->wq[i]);
if (error_status)
- printk(KERN_ERR PFX "%s: WQ[%d] error_status %d\n",
- enic->netdev->name, i, error_status);
+ netdev_err(enic->netdev, "WQ[%d] error_status %d\n",
+ i, error_status);
}
for (i = 0; i < enic->rq_count; i++) {
error_status = vnic_rq_error_status(&enic->rq[i]);
if (error_status)
- printk(KERN_ERR PFX "%s: RQ[%d] error_status %d\n",
- enic->netdev->name, i, error_status);
+ netdev_err(enic->netdev, "RQ[%d] error_status %d\n",
+ i, error_status);
}
}
-static void enic_link_check(struct enic *enic)
+static void enic_msglvl_check(struct enic *enic)
{
- int link_status = vnic_dev_link_status(enic->vdev);
- int carrier_ok = netif_carrier_ok(enic->netdev);
+ u32 msg_enable = vnic_dev_msg_lvl(enic->vdev);
- if (link_status && !carrier_ok) {
- printk(KERN_INFO PFX "%s: Link UP\n", enic->netdev->name);
- netif_carrier_on(enic->netdev);
- } else if (!link_status && carrier_ok) {
- printk(KERN_INFO PFX "%s: Link DOWN\n", enic->netdev->name);
- netif_carrier_off(enic->netdev);
+ if (msg_enable != enic->msg_enable) {
+ netdev_info(enic->netdev, "msg lvl changed from 0x%x to 0x%x\n",
+ enic->msg_enable, msg_enable);
+ enic->msg_enable = msg_enable;
}
}
static void enic_mtu_check(struct enic *enic)
{
u32 mtu = vnic_dev_mtu(enic->vdev);
+ struct net_device *netdev = enic->netdev;
if (mtu && mtu != enic->port_mtu) {
enic->port_mtu = mtu;
- if (mtu < enic->netdev->mtu)
- printk(KERN_WARNING PFX
- "%s: interface MTU (%d) set higher "
+ if (mtu < netdev->mtu)
+ netdev_warn(netdev,
+ "interface MTU (%d) set higher "
"than switch port MTU (%d)\n",
- enic->netdev->name, enic->netdev->mtu, mtu);
+ netdev->mtu, mtu);
}
}
-static void enic_msglvl_check(struct enic *enic)
+static void enic_link_check(struct enic *enic)
{
- u32 msg_enable = vnic_dev_msg_lvl(enic->vdev);
+ int link_status = vnic_dev_link_status(enic->vdev);
+ int carrier_ok = netif_carrier_ok(enic->netdev);
- if (msg_enable != enic->msg_enable) {
- printk(KERN_INFO PFX "%s: msg lvl changed from 0x%x to 0x%x\n",
- enic->netdev->name, enic->msg_enable, msg_enable);
- enic->msg_enable = msg_enable;
+ if (link_status && !carrier_ok) {
+ netdev_info(enic->netdev, "Link UP\n");
+ netif_carrier_on(enic->netdev);
+ } else if (!link_status && carrier_ok) {
+ netdev_info(enic->netdev, "Link DOWN\n");
+ netif_carrier_off(enic->netdev);
}
}
@@ -574,7 +593,7 @@ static irqreturn_t enic_isr_msix_notify(int irq, void *data)
static inline void enic_queue_wq_skb_cont(struct enic *enic,
struct vnic_wq *wq, struct sk_buff *skb,
- unsigned int len_left)
+ unsigned int len_left, int loopback)
{
skb_frag_t *frag;
@@ -586,13 +605,14 @@ static inline void enic_queue_wq_skb_cont(struct enic *enic,
frag->page_offset, frag->size,
PCI_DMA_TODEVICE),
frag->size,
- (len_left == 0)); /* EOP? */
+ (len_left == 0), /* EOP? */
+ loopback);
}
}
static inline void enic_queue_wq_skb_vlan(struct enic *enic,
struct vnic_wq *wq, struct sk_buff *skb,
- int vlan_tag_insert, unsigned int vlan_tag)
+ int vlan_tag_insert, unsigned int vlan_tag, int loopback)
{
unsigned int head_len = skb_headlen(skb);
unsigned int len_left = skb->len - head_len;
@@ -608,15 +628,15 @@ static inline void enic_queue_wq_skb_vlan(struct enic *enic,
head_len, PCI_DMA_TODEVICE),
head_len,
vlan_tag_insert, vlan_tag,
- eop);
+ eop, loopback);
if (!eop)
- enic_queue_wq_skb_cont(enic, wq, skb, len_left);
+ enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
}
static inline void enic_queue_wq_skb_csum_l4(struct enic *enic,
struct vnic_wq *wq, struct sk_buff *skb,
- int vlan_tag_insert, unsigned int vlan_tag)
+ int vlan_tag_insert, unsigned int vlan_tag, int loopback)
{
unsigned int head_len = skb_headlen(skb);
unsigned int len_left = skb->len - head_len;
@@ -636,15 +656,15 @@ static inline void enic_queue_wq_skb_csum_l4(struct enic *enic,
csum_offset,
hdr_len,
vlan_tag_insert, vlan_tag,
- eop);
+ eop, loopback);
if (!eop)
- enic_queue_wq_skb_cont(enic, wq, skb, len_left);
+ enic_queue_wq_skb_cont(enic, wq, skb, len_left, loopback);
}
static inline void enic_queue_wq_skb_tso(struct enic *enic,
struct vnic_wq *wq, struct sk_buff *skb, unsigned int mss,
- int vlan_tag_insert, unsigned int vlan_tag)
+ int vlan_tag_insert, unsigned int vlan_tag, int loopback)
{
unsigned int frag_len_left = skb_headlen(skb);
unsigned int len_left = skb->len - frag_len_left;
@@ -681,7 +701,7 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
len,
mss, hdr_len,
vlan_tag_insert, vlan_tag,
- eop && (len == frag_len_left));
+ eop && (len == frag_len_left), loopback);
frag_len_left -= len;
offset += len;
}
@@ -707,7 +727,8 @@ static inline void enic_queue_wq_skb_tso(struct enic *enic,
dma_addr,
len,
(len_left == 0) &&
- (len == frag_len_left)); /* EOP? */
+ (len == frag_len_left), /* EOP? */
+ loopback);
frag_len_left -= len;
offset += len;
}
@@ -720,22 +741,26 @@ static inline void enic_queue_wq_skb(struct enic *enic,
unsigned int mss = skb_shinfo(skb)->gso_size;
unsigned int vlan_tag = 0;
int vlan_tag_insert = 0;
+ int loopback = 0;
if (enic->vlan_group && vlan_tx_tag_present(skb)) {
/* VLAN tag from trunking driver */
vlan_tag_insert = 1;
vlan_tag = vlan_tx_tag_get(skb);
+ } else if (enic->loop_enable) {
+ vlan_tag = enic->loop_tag;
+ loopback = 1;
}
if (mss)
enic_queue_wq_skb_tso(enic, wq, skb, mss,
- vlan_tag_insert, vlan_tag);
+ vlan_tag_insert, vlan_tag, loopback);
else if (skb->ip_summed == CHECKSUM_PARTIAL)
enic_queue_wq_skb_csum_l4(enic, wq, skb,
- vlan_tag_insert, vlan_tag);
+ vlan_tag_insert, vlan_tag, loopback);
else
enic_queue_wq_skb_vlan(enic, wq, skb,
- vlan_tag_insert, vlan_tag);
+ vlan_tag_insert, vlan_tag, loopback);
}
/* netif_tx_lock held, process context with BHs disabled, or BH */
@@ -769,8 +794,7 @@ static netdev_tx_t enic_hard_start_xmit(struct sk_buff *skb,
skb_shinfo(skb)->nr_frags + ENIC_DESC_MAX_SPLITS) {
netif_stop_queue(netdev);
/* This is a hard error, log it */
- printk(KERN_ERR PFX "%s: BUG! Tx ring full when "
- "queue awake!\n", netdev->name);
+ netdev_err(netdev, "BUG! Tx ring full when queue awake!\n");
spin_unlock_irqrestore(&enic->wq_lock[0], flags);
return NETDEV_TX_BUSY;
}
@@ -792,9 +816,7 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev)
struct net_device_stats *net_stats = &netdev->stats;
struct vnic_stats *stats;
- spin_lock(&enic->devcmd_lock);
- vnic_dev_stats_dump(enic->vdev, &stats);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_stats_dump(enic, &stats);
net_stats->tx_packets = stats->tx.tx_frames_ok;
net_stats->tx_bytes = stats->tx.tx_bytes_ok;
@@ -812,9 +834,10 @@ static struct net_device_stats *enic_get_stats(struct net_device *netdev)
return net_stats;
}
-static void enic_reset_mcaddrs(struct enic *enic)
+static void enic_reset_multicast_list(struct enic *enic)
{
enic->mc_count = 0;
+ enic->flags = 0;
}
static int enic_set_mac_addr(struct net_device *netdev, char *addr)
@@ -891,6 +914,41 @@ static int enic_set_mac_address(struct net_device *netdev, void *p)
return -EOPNOTSUPP;
}
+static int enic_dev_packet_filter(struct enic *enic, int directed,
+ int multicast, int broadcast, int promisc, int allmulti)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_packet_filter(enic->vdev, directed,
+ multicast, broadcast, promisc, allmulti);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_add_addr(enic->vdev, addr);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_del_addr(enic->vdev, addr);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
/* netif_tx_lock held, BHs disabled */
static void enic_set_multicast_list(struct net_device *netdev)
{
@@ -910,11 +968,9 @@ static void enic_set_multicast_list(struct net_device *netdev)
if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS)
mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
- spin_lock(&enic->devcmd_lock);
-
if (enic->flags != flags) {
enic->flags = flags;
- vnic_dev_packet_filter(enic->vdev, directed,
+ enic_dev_packet_filter(enic, directed,
multicast, broadcast, promisc, allmulti);
}
@@ -937,7 +993,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
mc_addr[j]) == 0)
break;
if (j == mc_count)
- enic_del_multicast_addr(enic, enic->mc_addr[i]);
+ enic_dev_del_multicast_addr(enic, enic->mc_addr[i]);
}
for (i = 0; i < mc_count; i++) {
@@ -946,7 +1002,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
enic->mc_addr[j]) == 0)
break;
if (j == enic->mc_count)
- enic_add_multicast_addr(enic, mc_addr[i]);
+ enic_dev_add_multicast_addr(enic, mc_addr[i]);
}
/* Save the list to compare against next time
@@ -956,8 +1012,6 @@ static void enic_set_multicast_list(struct net_device *netdev)
memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN);
enic->mc_count = mc_count;
-
- spin_unlock(&enic->devcmd_lock);
}
/* rtnl lock is held */
@@ -1226,7 +1280,7 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq)
struct enic *enic = vnic_dev_priv(rq->vdev);
struct net_device *netdev = enic->netdev;
struct sk_buff *skb;
- unsigned int len = netdev->mtu + ETH_HLEN;
+ unsigned int len = netdev->mtu + VLAN_ETH_HLEN;
unsigned int os_buf_index = 0;
dma_addr_t dma_addr;
@@ -1263,12 +1317,24 @@ static int enic_rq_alloc_buf_a1(struct vnic_rq *rq)
return 0;
}
+static int enic_dev_hw_version(struct enic *enic,
+ enum vnic_dev_hw_version *hw_ver)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_hw_version(enic->vdev, hw_ver);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
static int enic_set_rq_alloc_buf(struct enic *enic)
{
enum vnic_dev_hw_version hw_ver;
int err;
- err = vnic_dev_hw_version(enic->vdev, &hw_ver);
+ err = enic_dev_hw_version(enic, &hw_ver);
if (err)
return err;
@@ -1287,51 +1353,6 @@ static int enic_set_rq_alloc_buf(struct enic *enic)
return 0;
}
-static int enic_get_skb_header(struct sk_buff *skb, void **iphdr,
- void **tcph, u64 *hdr_flags, void *priv)
-{
- struct cq_enet_rq_desc *cq_desc = priv;
- unsigned int ip_len;
- struct iphdr *iph;
-
- u8 type, color, eop, sop, ingress_port, vlan_stripped;
- u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof;
- u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
- u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc;
- u8 packet_error;
- u16 q_number, completed_index, bytes_written, vlan, checksum;
- u32 rss_hash;
-
- cq_enet_rq_desc_dec(cq_desc,
- &type, &color, &q_number, &completed_index,
- &ingress_port, &fcoe, &eop, &sop, &rss_type,
- &csum_not_calc, &rss_hash, &bytes_written,
- &packet_error, &vlan_stripped, &vlan, &checksum,
- &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error,
- &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp,
- &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment,
- &fcs_ok);
-
- if (!(ipv4 && tcp && !ipv4_fragment))
- return -1;
-
- skb_reset_network_header(skb);
- iph = ip_hdr(skb);
-
- ip_len = ip_hdrlen(skb);
- skb_set_transport_header(skb, ip_len);
-
- /* check if ip header and tcp header are complete */
- if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
- return -1;
-
- *hdr_flags = LRO_IPV4 | LRO_TCP;
- *tcph = tcp_hdr(skb);
- *iphdr = iph;
-
- return 0;
-}
-
static void enic_rq_indicate_buf(struct vnic_rq *rq,
struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
int skipped, void *opaque)
@@ -1345,7 +1366,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc;
u8 packet_error;
- u16 q_number, completed_index, bytes_written, vlan, checksum;
+ u16 q_number, completed_index, bytes_written, vlan_tci, checksum;
u32 rss_hash;
if (skipped)
@@ -1360,7 +1381,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
&type, &color, &q_number, &completed_index,
&ingress_port, &fcoe, &eop, &sop, &rss_type,
&csum_not_calc, &rss_hash, &bytes_written,
- &packet_error, &vlan_stripped, &vlan, &checksum,
+ &packet_error, &vlan_stripped, &vlan_tci, &checksum,
&fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error,
&fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp,
&ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment,
@@ -1395,20 +1416,20 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq,
skb->dev = netdev;
- if (enic->vlan_group && vlan_stripped) {
+ if (enic->vlan_group && vlan_stripped &&
+ (vlan_tci & CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK)) {
- if ((netdev->features & NETIF_F_LRO) && ipv4)
- lro_vlan_hwaccel_receive_skb(&enic->lro_mgr,
- skb, enic->vlan_group,
- vlan, cq_desc);
+ if (netdev->features & NETIF_F_GRO)
+ vlan_gro_receive(&enic->napi, enic->vlan_group,
+ vlan_tci, skb);
else
vlan_hwaccel_receive_skb(skb,
- enic->vlan_group, vlan);
+ enic->vlan_group, vlan_tci);
} else {
- if ((netdev->features & NETIF_F_LRO) && ipv4)
- lro_receive_skb(&enic->lro_mgr, skb, cq_desc);
+ if (netdev->features & NETIF_F_GRO)
+ napi_gro_receive(&enic->napi, skb);
else
netif_receive_skb(skb);
@@ -1438,7 +1459,6 @@ static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
static int enic_poll(struct napi_struct *napi, int budget)
{
struct enic *enic = container_of(napi, struct enic, napi);
- struct net_device *netdev = enic->netdev;
unsigned int rq_work_to_do = budget;
unsigned int wq_work_to_do = -1; /* no limit */
unsigned int work_done, rq_work_done, wq_work_done;
@@ -1478,12 +1498,9 @@ static int enic_poll(struct napi_struct *napi, int budget)
if (rq_work_done < rq_work_to_do) {
/* Some work done, but not enough to stay in polling,
- * flush all LROs and exit polling
+ * exit polling
*/
- if (netdev->features & NETIF_F_LRO)
- lro_flush_all(&enic->lro_mgr);
-
napi_complete(napi);
vnic_intr_unmask(&enic->intr[ENIC_INTX_WQ_RQ]);
}
@@ -1494,7 +1511,6 @@ static int enic_poll(struct napi_struct *napi, int budget)
static int enic_poll_msix(struct napi_struct *napi, int budget)
{
struct enic *enic = container_of(napi, struct enic, napi);
- struct net_device *netdev = enic->netdev;
unsigned int work_to_do = budget;
unsigned int work_done;
int err;
@@ -1528,12 +1544,9 @@ static int enic_poll_msix(struct napi_struct *napi, int budget)
if (work_done < work_to_do) {
/* Some work done, but not enough to stay in polling,
- * flush all LROs and exit polling
+ * exit polling
*/
- if (netdev->features & NETIF_F_LRO)
- lro_flush_all(&enic->lro_mgr);
-
napi_complete(napi);
vnic_intr_unmask(&enic->intr[ENIC_MSIX_RQ]);
}
@@ -1655,7 +1668,7 @@ static void enic_synchronize_irqs(struct enic *enic)
}
}
-static int enic_notify_set(struct enic *enic)
+static int enic_dev_notify_set(struct enic *enic)
{
int err;
@@ -1676,6 +1689,39 @@ static int enic_notify_set(struct enic *enic)
return err;
}
+static int enic_dev_notify_unset(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_notify_unset(enic->vdev);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+static int enic_dev_enable(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_enable(enic->vdev);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+static int enic_dev_disable(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_disable(enic->vdev);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
static void enic_notify_timer_start(struct enic *enic)
{
switch (vnic_dev_get_intr_mode(enic->vdev)) {
@@ -1697,16 +1743,14 @@ static int enic_open(struct net_device *netdev)
err = enic_request_intr(enic);
if (err) {
- printk(KERN_ERR PFX "%s: Unable to request irq.\n",
- netdev->name);
+ netdev_err(netdev, "Unable to request irq.\n");
return err;
}
- err = enic_notify_set(enic);
+ err = enic_dev_notify_set(enic);
if (err) {
- printk(KERN_ERR PFX
- "%s: Failed to alloc notify buffer, aborting.\n",
- netdev->name);
+ netdev_err(netdev,
+ "Failed to alloc notify buffer, aborting.\n");
goto err_out_free_intr;
}
@@ -1714,9 +1758,7 @@ static int enic_open(struct net_device *netdev)
vnic_rq_fill(&enic->rq[i], enic->rq_alloc_buf);
/* Need at least one buffer on ring to get going */
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
- printk(KERN_ERR PFX
- "%s: Unable to alloc receive buffers.\n",
- netdev->name);
+ netdev_err(netdev, "Unable to alloc receive buffers\n");
err = -ENOMEM;
goto err_out_notify_unset;
}
@@ -1732,9 +1774,7 @@ static int enic_open(struct net_device *netdev)
netif_wake_queue(netdev);
napi_enable(&enic->napi);
- spin_lock(&enic->devcmd_lock);
- vnic_dev_enable(enic->vdev);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_enable(enic);
for (i = 0; i < enic->intr_count; i++)
vnic_intr_unmask(&enic->intr[i]);
@@ -1744,9 +1784,7 @@ static int enic_open(struct net_device *netdev)
return 0;
err_out_notify_unset:
- spin_lock(&enic->devcmd_lock);
- vnic_dev_notify_unset(enic->vdev);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_notify_unset(enic);
err_out_free_intr:
enic_free_intr(enic);
@@ -1760,20 +1798,19 @@ static int enic_stop(struct net_device *netdev)
unsigned int i;
int err;
- for (i = 0; i < enic->intr_count; i++)
+ for (i = 0; i < enic->intr_count; i++) {
vnic_intr_mask(&enic->intr[i]);
+ (void)vnic_intr_masked(&enic->intr[i]); /* flush write */
+ }
enic_synchronize_irqs(enic);
del_timer_sync(&enic->notify_timer);
- spin_lock(&enic->devcmd_lock);
- vnic_dev_disable(enic->vdev);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_disable(enic);
napi_disable(&enic->napi);
netif_carrier_off(netdev);
netif_tx_disable(netdev);
-
enic_dev_del_station_addr(enic);
for (i = 0; i < enic->wq_count; i++) {
@@ -1787,9 +1824,7 @@ static int enic_stop(struct net_device *netdev)
return err;
}
- spin_lock(&enic->devcmd_lock);
- vnic_dev_notify_unset(enic->vdev);
- spin_unlock(&enic->devcmd_lock);
+ enic_dev_notify_unset(enic);
enic_free_intr(enic);
for (i = 0; i < enic->wq_count; i++)
@@ -1818,10 +1853,9 @@ static int enic_change_mtu(struct net_device *netdev, int new_mtu)
netdev->mtu = new_mtu;
if (netdev->mtu > enic->port_mtu)
- printk(KERN_WARNING PFX
- "%s: interface MTU (%d) set higher "
- "than port MTU (%d)\n",
- netdev->name, netdev->mtu, enic->port_mtu);
+ netdev_warn(netdev,
+ "interface MTU (%d) set higher than port MTU (%d)\n",
+ netdev->mtu, enic->port_mtu);
if (running)
enic_open(netdev);
@@ -1894,21 +1928,21 @@ static int enic_dev_open(struct enic *enic)
err = enic_dev_wait(enic->vdev, vnic_dev_open,
vnic_dev_open_done, 0);
if (err)
- printk(KERN_ERR PFX
- "vNIC device open failed, err %d.\n", err);
+ dev_err(enic_get_dev(enic), "vNIC device open failed, err %d\n",
+ err);
return err;
}
-static int enic_dev_soft_reset(struct enic *enic)
+static int enic_dev_hang_reset(struct enic *enic)
{
int err;
- err = enic_dev_wait(enic->vdev, vnic_dev_soft_reset,
- vnic_dev_soft_reset_done, 0);
+ err = enic_dev_wait(enic->vdev, vnic_dev_hang_reset,
+ vnic_dev_hang_reset_done, 0);
if (err)
- printk(KERN_ERR PFX
- "vNIC soft reset failed, err %d.\n", err);
+ netdev_err(enic->netdev, "vNIC hang reset failed, err %d\n",
+ err);
return err;
}
@@ -1922,15 +1956,43 @@ static int enic_set_niccfg(struct enic *enic)
const u8 rss_enable = 0;
const u8 tso_ipid_split_en = 0;
const u8 ig_vlan_strip_en = 1;
+ int err;
/* Enable VLAN tag stripping. RSS not enabled (yet).
*/
- return enic_set_nic_cfg(enic,
+ spin_lock(&enic->devcmd_lock);
+ err = enic_set_nic_cfg(enic,
rss_default_cpu, rss_hash_type,
rss_hash_bits, rss_base_cpu,
rss_enable, tso_ipid_split_en,
ig_vlan_strip_en);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+static int enic_dev_hang_notify(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_hang_notify(enic->vdev);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
+int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
+ IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
}
static void enic_reset(struct work_struct *work)
@@ -1942,16 +2004,13 @@ static void enic_reset(struct work_struct *work)
rtnl_lock();
- spin_lock(&enic->devcmd_lock);
- vnic_dev_hang_notify(enic->vdev);
- spin_unlock(&enic->devcmd_lock);
-
+ enic_dev_hang_notify(enic);
enic_stop(enic->netdev);
- enic_dev_soft_reset(enic);
- vnic_dev_init(enic->vdev, 0);
- enic_reset_mcaddrs(enic);
+ enic_dev_hang_reset(enic);
+ enic_reset_multicast_list(enic);
enic_init_vnic_resources(enic);
enic_set_niccfg(enic);
+ enic_dev_set_ig_vlan_rewrite_mode(enic);
enic_open(enic->netdev);
rtnl_unlock();
@@ -2087,8 +2146,8 @@ static const struct net_device_ops enic_netdev_ops = {
.ndo_start_xmit = enic_hard_start_xmit,
.ndo_get_stats = enic_get_stats,
.ndo_validate_addr = eth_validate_addr,
- .ndo_set_multicast_list = enic_set_multicast_list,
.ndo_set_mac_address = enic_set_mac_address,
+ .ndo_set_multicast_list = enic_set_multicast_list,
.ndo_change_mtu = enic_change_mtu,
.ndo_vlan_rx_register = enic_vlan_rx_register,
.ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid,
@@ -2106,8 +2165,20 @@ void enic_dev_deinit(struct enic *enic)
enic_clear_intr_mode(enic);
}
+static int enic_dev_stats_clear(struct enic *enic)
+{
+ int err;
+
+ spin_lock(&enic->devcmd_lock);
+ err = vnic_dev_stats_clear(enic->vdev);
+ spin_unlock(&enic->devcmd_lock);
+
+ return err;
+}
+
int enic_dev_init(struct enic *enic)
{
+ struct device *dev = enic_get_dev(enic);
struct net_device *netdev = enic->netdev;
int err;
@@ -2116,8 +2187,7 @@ int enic_dev_init(struct enic *enic)
err = enic_get_vnic_config(enic);
if (err) {
- printk(KERN_ERR PFX
- "Get vNIC configuration failed, aborting.\n");
+ dev_err(dev, "Get vNIC configuration failed, aborting\n");
return err;
}
@@ -2132,9 +2202,8 @@ int enic_dev_init(struct enic *enic)
err = enic_set_intr_mode(enic);
if (err) {
- printk(KERN_ERR PFX
- "Failed to set intr mode based on resource "
- "counts and system capabilities, aborting.\n");
+ dev_err(dev, "Failed to set intr mode based on resource "
+ "counts and system capabilities, aborting\n");
return err;
}
@@ -2143,24 +2212,32 @@ int enic_dev_init(struct enic *enic)
err = enic_alloc_vnic_resources(enic);
if (err) {
- printk(KERN_ERR PFX
- "Failed to alloc vNIC resources, aborting.\n");
+ dev_err(dev, "Failed to alloc vNIC resources, aborting\n");
goto err_out_free_vnic_resources;
}
enic_init_vnic_resources(enic);
+ /* Clear LIF stats
+ */
+ enic_dev_stats_clear(enic);
+
err = enic_set_rq_alloc_buf(enic);
if (err) {
- printk(KERN_ERR PFX
- "Failed to set RQ buffer allocator, aborting.\n");
+ dev_err(dev, "Failed to set RQ buffer allocator, aborting\n");
goto err_out_free_vnic_resources;
}
err = enic_set_niccfg(enic);
if (err) {
- printk(KERN_ERR PFX
- "Failed to config nic, aborting.\n");
+ dev_err(dev, "Failed to config nic, aborting\n");
+ goto err_out_free_vnic_resources;
+ }
+
+ err = enic_dev_set_ig_vlan_rewrite_mode(enic);
+ if (err) {
+ netdev_err(netdev,
+ "Failed to set ingress vlan rewrite mode, aborting.\n");
goto err_out_free_vnic_resources;
}
@@ -2194,6 +2271,7 @@ static void enic_iounmap(struct enic *enic)
static int __devinit enic_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
+ struct device *dev = &pdev->dev;
struct net_device *netdev;
struct enic *enic;
int using_dac = 0;
@@ -2206,7 +2284,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
netdev = alloc_etherdev(sizeof(struct enic));
if (!netdev) {
- printk(KERN_ERR PFX "Etherdev alloc failed, aborting.\n");
+ pr_err("Etherdev alloc failed, aborting\n");
return -ENOMEM;
}
@@ -2221,17 +2299,15 @@ static int __devinit enic_probe(struct pci_dev *pdev,
/* Setup PCI resources
*/
- err = pci_enable_device(pdev);
+ err = pci_enable_device_mem(pdev);
if (err) {
- printk(KERN_ERR PFX
- "Cannot enable PCI device, aborting.\n");
+ dev_err(dev, "Cannot enable PCI device, aborting\n");
goto err_out_free_netdev;
}
err = pci_request_regions(pdev, DRV_NAME);
if (err) {
- printk(KERN_ERR PFX
- "Cannot request PCI regions, aborting.\n");
+ dev_err(dev, "Cannot request PCI regions, aborting\n");
goto err_out_disable_device;
}
@@ -2246,23 +2322,20 @@ static int __devinit enic_probe(struct pci_dev *pdev,
if (err) {
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
- printk(KERN_ERR PFX
- "No usable DMA configuration, aborting.\n");
+ dev_err(dev, "No usable DMA configuration, aborting\n");
goto err_out_release_regions;
}
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (err) {
- printk(KERN_ERR PFX
- "Unable to obtain 32-bit DMA "
- "for consistent allocations, aborting.\n");
+ dev_err(dev, "Unable to obtain %u-bit DMA "
+ "for consistent allocations, aborting\n", 32);
goto err_out_release_regions;
}
} else {
err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
if (err) {
- printk(KERN_ERR PFX
- "Unable to obtain 40-bit DMA "
- "for consistent allocations, aborting.\n");
+ dev_err(dev, "Unable to obtain %u-bit DMA "
+ "for consistent allocations, aborting\n", 40);
goto err_out_release_regions;
}
using_dac = 1;
@@ -2277,8 +2350,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
enic->bar[i].len = pci_resource_len(pdev, i);
enic->bar[i].vaddr = pci_iomap(pdev, i, enic->bar[i].len);
if (!enic->bar[i].vaddr) {
- printk(KERN_ERR PFX
- "Cannot memory-map BAR %d, aborting.\n", i);
+ dev_err(dev, "Cannot memory-map BAR %d, aborting\n", i);
err = -ENODEV;
goto err_out_iounmap;
}
@@ -2291,8 +2363,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
enic->vdev = vnic_dev_register(NULL, enic, pdev, enic->bar,
ARRAY_SIZE(enic->bar));
if (!enic->vdev) {
- printk(KERN_ERR PFX
- "vNIC registration failed, aborting.\n");
+ dev_err(dev, "vNIC registration failed, aborting\n");
err = -ENODEV;
goto err_out_iounmap;
}
@@ -2302,8 +2373,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
err = enic_dev_open(enic);
if (err) {
- printk(KERN_ERR PFX
- "vNIC dev open failed, aborting.\n");
+ dev_err(dev, "vNIC dev open failed, aborting\n");
goto err_out_vnic_unregister;
}
@@ -2317,23 +2387,31 @@ static int __devinit enic_probe(struct pci_dev *pdev,
netif_carrier_off(netdev);
+ /* Do not call dev_init for a dynamic vnic.
+ * For a dynamic vnic, init_prov_info will be
+ * called later by an upper layer.
+ */
+
if (!enic_is_dynamic(enic)) {
err = vnic_dev_init(enic->vdev, 0);
if (err) {
- printk(KERN_ERR PFX
- "vNIC dev init failed, aborting.\n");
+ dev_err(dev, "vNIC dev init failed, aborting\n");
goto err_out_dev_close;
}
}
+ /* Setup devcmd lock
+ */
+
+ spin_lock_init(&enic->devcmd_lock);
+
err = enic_dev_init(enic);
if (err) {
- printk(KERN_ERR PFX
- "Device initialization failed, aborting.\n");
+ dev_err(dev, "Device initialization failed, aborting\n");
goto err_out_dev_close;
}
- /* Setup notification timer, HW reset task, and locks
+ /* Setup notification timer, HW reset task, and wq locks
*/
init_timer(&enic->notify_timer);
@@ -2345,8 +2423,6 @@ static int __devinit enic_probe(struct pci_dev *pdev,
for (i = 0; i < enic->wq_count; i++)
spin_lock_init(&enic->wq_lock[i]);
- spin_lock_init(&enic->devcmd_lock);
-
/* Register net device
*/
@@ -2355,8 +2431,7 @@ static int __devinit enic_probe(struct pci_dev *pdev,
err = enic_set_mac_addr(netdev, enic->mac_addr);
if (err) {
- printk(KERN_ERR PFX
- "Invalid MAC address, aborting.\n");
+ dev_err(dev, "Invalid MAC address, aborting\n");
goto err_out_dev_deinit;
}
@@ -2372,31 +2447,27 @@ static int __devinit enic_probe(struct pci_dev *pdev,
netdev->ethtool_ops = &enic_ethtool_ops;
netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+ if (ENIC_SETTING(enic, LOOP)) {
+ netdev->features &= ~NETIF_F_HW_VLAN_TX;
+ enic->loop_enable = 1;
+ enic->loop_tag = enic->config.loop_tag;
+ dev_info(dev, "loopback tag=0x%04x\n", enic->loop_tag);
+ }
if (ENIC_SETTING(enic, TXCSUM))
netdev->features |= NETIF_F_SG | NETIF_F_HW_CSUM;
if (ENIC_SETTING(enic, TSO))
netdev->features |= NETIF_F_TSO |
NETIF_F_TSO6 | NETIF_F_TSO_ECN;
if (ENIC_SETTING(enic, LRO))
- netdev->features |= NETIF_F_LRO;
+ netdev->features |= NETIF_F_GRO;
if (using_dac)
netdev->features |= NETIF_F_HIGHDMA;
enic->csum_rx_enabled = ENIC_SETTING(enic, RXCSUM);
- enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR;
- enic->lro_mgr.max_desc = ENIC_LRO_MAX_DESC;
- enic->lro_mgr.lro_arr = enic->lro_desc;
- enic->lro_mgr.get_skb_header = enic_get_skb_header;
- enic->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
- enic->lro_mgr.dev = netdev;
- enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE;
- enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
-
err = register_netdev(netdev);
if (err) {
- printk(KERN_ERR PFX
- "Cannot register net device, aborting.\n");
+ dev_err(dev, "Cannot register net device, aborting\n");
goto err_out_dev_deinit;
}
@@ -2450,7 +2521,7 @@ static struct pci_driver enic_driver = {
static int __init enic_init_module(void)
{
- printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
+ pr_info("%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
return pci_register_driver(&enic_driver);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 05:19:15 +0100