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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 12:30:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-06 12:30:19 -0800
commitabb359450f20c32ae03039d8736f12b1d561caf5 (patch)
tree6e8723885feb66a138f19f0ff31615dc13a8d859 /drivers/net/enic/enic_main.c
parentcb600d2f83c854ec3d6660063e4466431999489b (diff)
parent4e3dbdb1392a83bd21a6ff8f6bc785495058d37c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1436 commits) cassini: Use local-mac-address prom property for Cassini MAC address net: remove the duplicate #ifdef __KERNEL__ net: bridge: check the length of skb after nf_bridge_maybe_copy_header() netconsole: clarify stopping message netconsole: don't announce stopping if nothing happened cnic: Fix the type field in SPQ messages netfilter: fix export secctx error handling netfilter: fix the race when initializing nf_ct_expect_hash_rnd ipv4: IP defragmentation must be ECN aware net: r6040: Return proper error for r6040_init_one dcb: use after free in dcb_flushapp() dcb: unlock on error in dcbnl_ieee_get() net: ixp4xx_eth: Return proper error for eth_init_one include/linux/if_ether.h: Add #define ETH_P_LINK_CTL for HPNA and wlan local tunnel net: add POLLPRI to sock_def_readable() af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. net_sched: pfifo_head_drop problem mac80211: remove stray extern mac80211: implement off-channel TX using hw r-o-c offload mac80211: implement hardware offload for remain-on-channel ...
Diffstat (limited to 'drivers/net/enic/enic_main.c')
-rw-r--r--drivers/net/enic/enic_main.c247
1 files changed, 194 insertions, 53 deletions
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index aa28b270c045..a0af48c51fb3 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -702,7 +702,7 @@ static inline void enic_queue_wq_skb_csum_l4(struct enic *enic,
{
unsigned int head_len = skb_headlen(skb);
unsigned int len_left = skb->len - head_len;
- unsigned int hdr_len = skb_transport_offset(skb);
+ unsigned int hdr_len = skb_checksum_start_offset(skb);
unsigned int csum_offset = hdr_len + skb->csum_offset;
int eop = (len_left == 0);
@@ -1002,7 +1002,7 @@ static int enic_dev_packet_filter(struct enic *enic, int directed,
return err;
}
-static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr)
+static int enic_dev_add_addr(struct enic *enic, u8 *addr)
{
int err;
@@ -1013,7 +1013,7 @@ static int enic_dev_add_multicast_addr(struct enic *enic, u8 *addr)
return err;
}
-static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr)
+static int enic_dev_del_addr(struct enic *enic, u8 *addr)
{
int err;
@@ -1024,29 +1024,19 @@ static int enic_dev_del_multicast_addr(struct enic *enic, u8 *addr)
return err;
}
-/* netif_tx_lock held, BHs disabled */
-static void enic_set_multicast_list(struct net_device *netdev)
+static void enic_add_multicast_addr_list(struct enic *enic)
{
- struct enic *enic = netdev_priv(netdev);
+ struct net_device *netdev = enic->netdev;
struct netdev_hw_addr *ha;
- int directed = 1;
- int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0;
- int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0;
- int promisc = (netdev->flags & IFF_PROMISC) ? 1 : 0;
unsigned int mc_count = netdev_mc_count(netdev);
- int allmulti = (netdev->flags & IFF_ALLMULTI) ||
- mc_count > ENIC_MULTICAST_PERFECT_FILTERS;
- unsigned int flags = netdev->flags | (allmulti ? IFF_ALLMULTI : 0);
u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
unsigned int i, j;
- if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS)
+ if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS) {
+ netdev_warn(netdev, "Registering only %d out of %d "
+ "multicast addresses\n",
+ ENIC_MULTICAST_PERFECT_FILTERS, mc_count);
mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
-
- if (enic->flags != flags) {
- enic->flags = flags;
- enic_dev_packet_filter(enic, directed,
- multicast, broadcast, promisc, allmulti);
}
/* Is there an easier way? Trying to minimize to
@@ -1068,7 +1058,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
mc_addr[j]) == 0)
break;
if (j == mc_count)
- enic_dev_del_multicast_addr(enic, enic->mc_addr[i]);
+ enic_dev_del_addr(enic, enic->mc_addr[i]);
}
for (i = 0; i < mc_count; i++) {
@@ -1077,7 +1067,7 @@ static void enic_set_multicast_list(struct net_device *netdev)
enic->mc_addr[j]) == 0)
break;
if (j == enic->mc_count)
- enic_dev_add_multicast_addr(enic, mc_addr[i]);
+ enic_dev_add_addr(enic, mc_addr[i]);
}
/* Save the list to compare against next time
@@ -1089,6 +1079,89 @@ static void enic_set_multicast_list(struct net_device *netdev)
enic->mc_count = mc_count;
}
+static void enic_add_unicast_addr_list(struct enic *enic)
+{
+ struct net_device *netdev = enic->netdev;
+ struct netdev_hw_addr *ha;
+ unsigned int uc_count = netdev_uc_count(netdev);
+ u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
+ unsigned int i, j;
+
+ if (uc_count > ENIC_UNICAST_PERFECT_FILTERS) {
+ netdev_warn(netdev, "Registering only %d out of %d "
+ "unicast addresses\n",
+ ENIC_UNICAST_PERFECT_FILTERS, uc_count);
+ uc_count = ENIC_UNICAST_PERFECT_FILTERS;
+ }
+
+ /* Is there an easier way? Trying to minimize to
+ * calls to add/del unicast addrs. We keep the
+ * addrs from the last call in enic->uc_addr and
+ * look for changes to add/del.
+ */
+
+ i = 0;
+ netdev_for_each_uc_addr(ha, netdev) {
+ if (i == uc_count)
+ break;
+ memcpy(uc_addr[i++], ha->addr, ETH_ALEN);
+ }
+
+ for (i = 0; i < enic->uc_count; i++) {
+ for (j = 0; j < uc_count; j++)
+ if (compare_ether_addr(enic->uc_addr[i],
+ uc_addr[j]) == 0)
+ break;
+ if (j == uc_count)
+ enic_dev_del_addr(enic, enic->uc_addr[i]);
+ }
+
+ for (i = 0; i < uc_count; i++) {
+ for (j = 0; j < enic->uc_count; j++)
+ if (compare_ether_addr(uc_addr[i],
+ enic->uc_addr[j]) == 0)
+ break;
+ if (j == enic->uc_count)
+ enic_dev_add_addr(enic, uc_addr[i]);
+ }
+
+ /* Save the list to compare against next time
+ */
+
+ for (i = 0; i < uc_count; i++)
+ memcpy(enic->uc_addr[i], uc_addr[i], ETH_ALEN);
+
+ enic->uc_count = uc_count;
+}
+
+/* netif_tx_lock held, BHs disabled */
+static void enic_set_rx_mode(struct net_device *netdev)
+{
+ struct enic *enic = netdev_priv(netdev);
+ int directed = 1;
+ int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0;
+ int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0;
+ int promisc = (netdev->flags & IFF_PROMISC) ||
+ netdev_uc_count(netdev) > ENIC_UNICAST_PERFECT_FILTERS;
+ int allmulti = (netdev->flags & IFF_ALLMULTI) ||
+ netdev_mc_count(netdev) > ENIC_MULTICAST_PERFECT_FILTERS;
+ unsigned int flags = netdev->flags |
+ (allmulti ? IFF_ALLMULTI : 0) |
+ (promisc ? IFF_PROMISC : 0);
+
+ if (enic->flags != flags) {
+ enic->flags = flags;
+ enic_dev_packet_filter(enic, directed,
+ multicast, broadcast, promisc, allmulti);
+ }
+
+ if (!promisc) {
+ enic_add_unicast_addr_list(enic);
+ if (!allmulti)
+ enic_add_multicast_addr_list(enic);
+ }
+}
+
/* rtnl lock is held */
static void enic_vlan_rx_register(struct net_device *netdev,
struct vlan_group *vlan_group)
@@ -1158,11 +1231,31 @@ static int enic_dev_init_done(struct enic *enic, int *done, int *error)
return err;
}
+static int enic_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct enic *enic = netdev_priv(netdev);
+
+ if (vf != PORT_SELF_VF)
+ return -EOPNOTSUPP;
+
+ /* Ignore the vf argument for now. We can assume the request
+ * is coming on a vf.
+ */
+ if (is_valid_ether_addr(mac)) {
+ memcpy(enic->pp.vf_mac, mac, ETH_ALEN);
+ return 0;
+ } else
+ return -EINVAL;
+}
+
static int enic_set_port_profile(struct enic *enic, u8 *mac)
{
struct vic_provinfo *vp;
u8 oui[3] = VIC_PROVINFO_CISCO_OUI;
+ u16 os_type = VIC_GENERIC_PROV_OS_TYPE_LINUX;
char uuid_str[38];
+ char client_mac_str[18];
+ u8 *client_mac;
int err;
err = enic_vnic_dev_deinit(enic);
@@ -1180,46 +1273,63 @@ static int enic_set_port_profile(struct enic *enic, u8 *mac)
return -EADDRNOTAVAIL;
vp = vic_provinfo_alloc(GFP_KERNEL, oui,
- VIC_PROVINFO_LINUX_TYPE);
+ VIC_PROVINFO_GENERIC_TYPE);
if (!vp)
return -ENOMEM;
vic_provinfo_add_tlv(vp,
- VIC_LINUX_PROV_TLV_PORT_PROFILE_NAME_STR,
+ VIC_GENERIC_PROV_TLV_PORT_PROFILE_NAME_STR,
strlen(enic->pp.name) + 1, enic->pp.name);
+ if (!is_zero_ether_addr(enic->pp.mac_addr))
+ client_mac = enic->pp.mac_addr;
+ else
+ client_mac = mac;
+
+ vic_provinfo_add_tlv(vp,
+ VIC_GENERIC_PROV_TLV_CLIENT_MAC_ADDR,
+ ETH_ALEN, client_mac);
+
+ sprintf(client_mac_str, "%pM", client_mac);
vic_provinfo_add_tlv(vp,
- VIC_LINUX_PROV_TLV_CLIENT_MAC_ADDR,
- ETH_ALEN, mac);
+ VIC_GENERIC_PROV_TLV_CLUSTER_PORT_UUID_STR,
+ sizeof(client_mac_str), client_mac_str);
if (enic->pp.set & ENIC_SET_INSTANCE) {
sprintf(uuid_str, "%pUB", enic->pp.instance_uuid);
vic_provinfo_add_tlv(vp,
- VIC_LINUX_PROV_TLV_CLIENT_UUID_STR,
+ VIC_GENERIC_PROV_TLV_CLIENT_UUID_STR,
sizeof(uuid_str), uuid_str);
}
if (enic->pp.set & ENIC_SET_HOST) {
sprintf(uuid_str, "%pUB", enic->pp.host_uuid);
vic_provinfo_add_tlv(vp,
- VIC_LINUX_PROV_TLV_HOST_UUID_STR,
+ VIC_GENERIC_PROV_TLV_HOST_UUID_STR,
sizeof(uuid_str), uuid_str);
}
+ os_type = htons(os_type);
+ vic_provinfo_add_tlv(vp,
+ VIC_GENERIC_PROV_TLV_OS_TYPE,
+ sizeof(os_type), &os_type);
+
err = enic_dev_init_prov(enic, vp);
vic_provinfo_free(vp);
if (err)
return err;
+
+ enic->pp.set |= ENIC_SET_APPLIED;
break;
case PORT_REQUEST_DISASSOCIATE:
+ enic->pp.set &= ~ENIC_SET_APPLIED;
break;
default:
return -EINVAL;
}
- enic->pp.set |= ENIC_SET_APPLIED;
return 0;
}
@@ -1227,29 +1337,31 @@ static int enic_set_vf_port(struct net_device *netdev, int vf,
struct nlattr *port[])
{
struct enic *enic = netdev_priv(netdev);
+ struct enic_port_profile new_pp;
+ int err = 0;
- memset(&enic->pp, 0, sizeof(enic->pp));
+ memset(&new_pp, 0, sizeof(new_pp));
if (port[IFLA_PORT_REQUEST]) {
- enic->pp.set |= ENIC_SET_REQUEST;
- enic->pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]);
+ new_pp.set |= ENIC_SET_REQUEST;
+ new_pp.request = nla_get_u8(port[IFLA_PORT_REQUEST]);
}
if (port[IFLA_PORT_PROFILE]) {
- enic->pp.set |= ENIC_SET_NAME;
- memcpy(enic->pp.name, nla_data(port[IFLA_PORT_PROFILE]),
+ new_pp.set |= ENIC_SET_NAME;
+ memcpy(new_pp.name, nla_data(port[IFLA_PORT_PROFILE]),
PORT_PROFILE_MAX);
}
if (port[IFLA_PORT_INSTANCE_UUID]) {
- enic->pp.set |= ENIC_SET_INSTANCE;
- memcpy(enic->pp.instance_uuid,
+ new_pp.set |= ENIC_SET_INSTANCE;
+ memcpy(new_pp.instance_uuid,
nla_data(port[IFLA_PORT_INSTANCE_UUID]), PORT_UUID_MAX);
}
if (port[IFLA_PORT_HOST_UUID]) {
- enic->pp.set |= ENIC_SET_HOST;
- memcpy(enic->pp.host_uuid,
+ new_pp.set |= ENIC_SET_HOST;
+ memcpy(new_pp.host_uuid,
nla_data(port[IFLA_PORT_HOST_UUID]), PORT_UUID_MAX);
}
@@ -1257,21 +1369,39 @@ static int enic_set_vf_port(struct net_device *netdev, int vf,
if (vf != PORT_SELF_VF)
return -EOPNOTSUPP;
- if (!(enic->pp.set & ENIC_SET_REQUEST))
+ if (!(new_pp.set & ENIC_SET_REQUEST))
return -EOPNOTSUPP;
- if (enic->pp.request == PORT_REQUEST_ASSOCIATE) {
-
- /* If the interface mac addr hasn't been assigned,
- * assign a random mac addr before setting port-
- * profile.
- */
+ if (new_pp.request == PORT_REQUEST_ASSOCIATE) {
+ /* Special case handling */
+ if (!is_zero_ether_addr(enic->pp.vf_mac))
+ memcpy(new_pp.mac_addr, enic->pp.vf_mac, ETH_ALEN);
if (is_zero_ether_addr(netdev->dev_addr))
random_ether_addr(netdev->dev_addr);
+ } else if (new_pp.request == PORT_REQUEST_DISASSOCIATE) {
+ if (!is_zero_ether_addr(enic->pp.mac_addr))
+ enic_dev_del_addr(enic, enic->pp.mac_addr);
}
- return enic_set_port_profile(enic, netdev->dev_addr);
+ memcpy(&enic->pp, &new_pp, sizeof(struct enic_port_profile));
+
+ err = enic_set_port_profile(enic, netdev->dev_addr);
+ if (err)
+ goto set_port_profile_cleanup;
+
+ if (!is_zero_ether_addr(enic->pp.mac_addr))
+ enic_dev_add_addr(enic, enic->pp.mac_addr);
+
+set_port_profile_cleanup:
+ memset(enic->pp.vf_mac, 0, ETH_ALEN);
+
+ if (err || enic->pp.request == PORT_REQUEST_DISASSOCIATE) {
+ memset(netdev->dev_addr, 0, ETH_ALEN);
+ memset(enic->pp.mac_addr, 0, ETH_ALEN);
+ }
+
+ return err;
}
static int enic_get_vf_port(struct net_device *netdev, int vf,
@@ -1851,8 +1981,11 @@ static int enic_open(struct net_device *netdev)
for (i = 0; i < enic->rq_count; i++)
vnic_rq_enable(&enic->rq[i]);
- enic_dev_add_station_addr(enic);
- enic_set_multicast_list(netdev);
+ if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr))
+ enic_dev_add_addr(enic, enic->pp.mac_addr);
+ else
+ enic_dev_add_station_addr(enic);
+ enic_set_rx_mode(netdev);
netif_wake_queue(netdev);
@@ -1899,7 +2032,10 @@ static int enic_stop(struct net_device *netdev)
netif_carrier_off(netdev);
netif_tx_disable(netdev);
- enic_dev_del_station_addr(enic);
+ if (enic_is_dynamic(enic) && !is_zero_ether_addr(enic->pp.mac_addr))
+ enic_dev_del_addr(enic, enic->pp.mac_addr);
+ else
+ enic_dev_del_station_addr(enic);
for (i = 0; i < enic->wq_count; i++) {
err = vnic_wq_disable(&enic->wq[i]);
@@ -2043,7 +2179,7 @@ static int enic_dev_hang_reset(struct enic *enic)
static int enic_set_rsskey(struct enic *enic)
{
- u64 rss_key_buf_pa;
+ dma_addr_t rss_key_buf_pa;
union vnic_rss_key *rss_key_buf_va = NULL;
union vnic_rss_key rss_key = {
.key[0].b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101},
@@ -2074,7 +2210,7 @@ static int enic_set_rsskey(struct enic *enic)
static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
{
- u64 rss_cpu_buf_pa;
+ dma_addr_t rss_cpu_buf_pa;
union vnic_rss_cpu *rss_cpu_buf_va = NULL;
unsigned int i;
int err;
@@ -2329,7 +2465,8 @@ static const struct net_device_ops enic_netdev_dynamic_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_rx_mode = enic_set_rx_mode,
+ .ndo_set_multicast_list = enic_set_rx_mode,
.ndo_set_mac_address = enic_set_mac_address_dynamic,
.ndo_change_mtu = enic_change_mtu,
.ndo_vlan_rx_register = enic_vlan_rx_register,
@@ -2338,6 +2475,9 @@ static const struct net_device_ops enic_netdev_dynamic_ops = {
.ndo_tx_timeout = enic_tx_timeout,
.ndo_set_vf_port = enic_set_vf_port,
.ndo_get_vf_port = enic_get_vf_port,
+#ifdef IFLA_VF_MAX
+ .ndo_set_vf_mac = enic_set_vf_mac,
+#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = enic_poll_controller,
#endif
@@ -2350,7 +2490,8 @@ static const struct net_device_ops enic_netdev_ops = {
.ndo_get_stats = enic_get_stats,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = enic_set_mac_address,
- .ndo_set_multicast_list = enic_set_multicast_list,
+ .ndo_set_rx_mode = enic_set_rx_mode,
+ .ndo_set_multicast_list = enic_set_rx_mode,
.ndo_change_mtu = enic_change_mtu,
.ndo_vlan_rx_register = enic_vlan_rx_register,
.ndo_vlan_rx_add_vid = enic_vlan_rx_add_vid,
@@ -2694,7 +2835,7 @@ static void __devexit enic_remove(struct pci_dev *pdev)
if (netdev) {
struct enic *enic = netdev_priv(netdev);
- flush_scheduled_work();
+ cancel_work_sync(&enic->reset);
unregister_netdev(netdev);
enic_dev_deinit(enic);
vnic_dev_close(enic->vdev);