diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-20 18:58:50 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-20 18:58:50 -0800 |
commit | a0b1c42951dd06ec83cc1bc2c9788131d9fefcd8 (patch) | |
tree | a572f1523cf904c93020c9cdb32f3bc84ec3ac16 /drivers/net/ethernet/mellanox/mlx4/port.c | |
parent | 8ec4942212a6d337982967778a3dc3b60aea782e (diff) | |
parent | ecd9883724b78cc72ed92c98bcb1a46c764fff21 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking update from David Miller:
1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
timestamp offset. From Andrey Vagin.
2) VMWARE VM VSOCK layer, from Andy King.
3) Much improved support for virtual functions and SR-IOV in bnx2x,
from Ariel ELior.
4) All protocols on ipv4 and ipv6 are now network namespace aware, and
all the compatability checks for initial-namespace-only protocols is
removed. Thanks to Tom Parkin for helping deal with the last major
holdout, L2TP.
5) IPV6 support in netpoll and network namespace support in pktgen,
from Cong Wang.
6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
Protocol (MVRP) support, from David Ward.
7) Compute packet lengths more accurately in the packet scheduler, from
Eric Dumazet.
8) Use per-task page fragment allocator in skb_append_datato_frags(),
also from Eric Dumazet.
9) Add support for connection tracking labels in netfilter, from
Florian Westphal.
10) Fix default multicast group joining on ipv6, and add anti-spoofing
checks to 6to4 and 6rd. From Hannes Frederic Sowa.
11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
times, rearrange inet frag datastructures for better cacheline
locality, and move more operations outside of locking. From Jesper
Dangaard Brouer.
12) Instead of strict master <--> slave relationships, allow arbitrary
scenerios with "upper device lists". From Jiri Pirko.
13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
Pirko.
14) Add a BPF filter netfilter match target, from Willem de Bruijn.
15) Orphan and delete a bunch of pre-historic networking drivers from
Paul Gortmaker.
16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although
this still needs some minor bug fixing before it's %100 correct in
all cases.
17) Handle unresolved IPSEC states like ARP, with a resolution packet
queue. From Steffen Klassert.
18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
Hemminger. This was long overdue.
19) Support SO_REUSEPORT, from Tom Herbert.
20) Allow locking a socket BPF filter, so that it cannot change after a
process drops capabilities.
21) Add VLAN filtering to bridge, from Vlad Yasevich.
22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
the ipv6 routes, from YOSHIFUJI Hideaki.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
ipv6: fix race condition regarding dst->expires and dst->from.
net: fix a wrong assignment in skb_split()
ip_gre: remove an extra dst_release()
ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
atl1c: restore buffer state
net: fix a build failure when !CONFIG_PROC_FS
net: ipv4: fix waring -Wunused-variable
net: proc: fix build failed when procfs is not configured
Revert "xen: netback: remove redundant xenvif_put"
net: move procfs code to net/core/net-procfs.c
qmi_wwan, cdc-ether: add ADU960S
bonding: set sysfs device_type to 'bond'
bonding: fix bond_release_all inconsistencies
b44: use netdev_alloc_skb_ip_align()
xen: netback: remove redundant xenvif_put
net: fec: Do a sanity check on the gpio number
ip_gre: propogate target device GSO capability to the tunnel device
ip_gre: allow CSUM capable devices to handle packets
bonding: Fix initialize after use for 3ad machine state spinlock
bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
...
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/port.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/port.c | 193 |
1 files changed, 8 insertions, 185 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 4c51b05efa2..719ead15e49 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -74,87 +74,6 @@ void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) table->total = 0; } -static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port, - u64 mac, int *qpn, u64 *reg_id) -{ - __be64 be_mac; - int err; - - mac &= MLX4_MAC_MASK; - be_mac = cpu_to_be64(mac << 16); - - switch (dev->caps.steering_mode) { - case MLX4_STEERING_MODE_B0: { - struct mlx4_qp qp; - u8 gid[16] = {0}; - - qp.qpn = *qpn; - memcpy(&gid[10], &be_mac, ETH_ALEN); - gid[5] = port; - - err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH); - break; - } - case MLX4_STEERING_MODE_DEVICE_MANAGED: { - struct mlx4_spec_list spec_eth = { {NULL} }; - __be64 mac_mask = cpu_to_be64(MLX4_MAC_MASK << 16); - - struct mlx4_net_trans_rule rule = { - .queue_mode = MLX4_NET_TRANS_Q_FIFO, - .exclusive = 0, - .allow_loopback = 1, - .promisc_mode = MLX4_FS_PROMISC_NONE, - .priority = MLX4_DOMAIN_NIC, - }; - - rule.port = port; - rule.qpn = *qpn; - INIT_LIST_HEAD(&rule.list); - - spec_eth.id = MLX4_NET_TRANS_RULE_ID_ETH; - memcpy(spec_eth.eth.dst_mac, &be_mac, ETH_ALEN); - memcpy(spec_eth.eth.dst_mac_msk, &mac_mask, ETH_ALEN); - list_add_tail(&spec_eth.list, &rule.list); - - err = mlx4_flow_attach(dev, &rule, reg_id); - break; - } - default: - return -EINVAL; - } - if (err) - mlx4_warn(dev, "Failed Attaching Unicast\n"); - - return err; -} - -static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port, - u64 mac, int qpn, u64 reg_id) -{ - switch (dev->caps.steering_mode) { - case MLX4_STEERING_MODE_B0: { - struct mlx4_qp qp; - u8 gid[16] = {0}; - __be64 be_mac; - - qp.qpn = qpn; - mac &= MLX4_MAC_MASK; - be_mac = cpu_to_be64(mac << 16); - memcpy(&gid[10], &be_mac, ETH_ALEN); - gid[5] = port; - - mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH); - break; - } - case MLX4_STEERING_MODE_DEVICE_MANAGED: { - mlx4_flow_detach(dev, reg_id); - break; - } - default: - mlx4_err(dev, "Invalid steering mode.\n"); - } -} - static int validate_index(struct mlx4_dev *dev, struct mlx4_mac_table *table, int index) { @@ -181,92 +100,6 @@ static int find_index(struct mlx4_dev *dev, return -EINVAL; } -int mlx4_get_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn) -{ - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_entry *entry; - int index = 0; - int err = 0; - u64 reg_id; - - mlx4_dbg(dev, "Registering MAC: 0x%llx for adding\n", - (unsigned long long) mac); - index = mlx4_register_mac(dev, port, mac); - if (index < 0) { - err = index; - mlx4_err(dev, "Failed adding MAC: 0x%llx\n", - (unsigned long long) mac); - return err; - } - - if (dev->caps.steering_mode == MLX4_STEERING_MODE_A0) { - *qpn = info->base_qpn + index; - return 0; - } - - err = mlx4_qp_reserve_range(dev, 1, 1, qpn); - mlx4_dbg(dev, "Reserved qp %d\n", *qpn); - if (err) { - mlx4_err(dev, "Failed to reserve qp for mac registration\n"); - goto qp_err; - } - - err = mlx4_uc_steer_add(dev, port, mac, qpn, ®_id); - if (err) - goto steer_err; - - entry = kmalloc(sizeof *entry, GFP_KERNEL); - if (!entry) { - err = -ENOMEM; - goto alloc_err; - } - entry->mac = mac; - entry->reg_id = reg_id; - err = radix_tree_insert(&info->mac_tree, *qpn, entry); - if (err) - goto insert_err; - return 0; - -insert_err: - kfree(entry); - -alloc_err: - mlx4_uc_steer_release(dev, port, mac, *qpn, reg_id); - -steer_err: - mlx4_qp_release_range(dev, *qpn, 1); - -qp_err: - mlx4_unregister_mac(dev, port, mac); - return err; -} -EXPORT_SYMBOL_GPL(mlx4_get_eth_qp); - -void mlx4_put_eth_qp(struct mlx4_dev *dev, u8 port, u64 mac, int qpn) -{ - struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; - struct mlx4_mac_entry *entry; - - mlx4_dbg(dev, "Registering MAC: 0x%llx for deleting\n", - (unsigned long long) mac); - mlx4_unregister_mac(dev, port, mac); - - if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { - entry = radix_tree_lookup(&info->mac_tree, qpn); - if (entry) { - mlx4_dbg(dev, "Releasing qp: port %d, mac 0x%llx," - " qpn %d\n", port, - (unsigned long long) mac, qpn); - mlx4_uc_steer_release(dev, port, entry->mac, - qpn, entry->reg_id); - mlx4_qp_release_range(dev, qpn, 1); - radix_tree_delete(&info->mac_tree, qpn); - kfree(entry); - } - } -} -EXPORT_SYMBOL_GPL(mlx4_put_eth_qp); - static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, __be64 *entries) { @@ -359,6 +192,12 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac) } EXPORT_SYMBOL_GPL(mlx4_register_mac); +int mlx4_get_base_qpn(struct mlx4_dev *dev, u8 port) +{ + return dev->caps.reserved_qps_base[MLX4_QP_REGION_ETH_ADDR] + + (port - 1) * (1 << dev->caps.log_num_macs); +} +EXPORT_SYMBOL_GPL(mlx4_get_base_qpn); void __mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) { @@ -397,29 +236,13 @@ void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, u64 mac) } EXPORT_SYMBOL_GPL(mlx4_unregister_mac); -int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac) +int __mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac) { struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; struct mlx4_mac_table *table = &info->mac_table; - struct mlx4_mac_entry *entry; int index = qpn - info->base_qpn; int err = 0; - if (dev->caps.steering_mode != MLX4_STEERING_MODE_A0) { - entry = radix_tree_lookup(&info->mac_tree, qpn); - if (!entry) - return -EINVAL; - mlx4_uc_steer_release(dev, port, entry->mac, - qpn, entry->reg_id); - mlx4_unregister_mac(dev, port, entry->mac); - entry->mac = new_mac; - entry->reg_id = 0; - mlx4_register_mac(dev, port, new_mac); - err = mlx4_uc_steer_add(dev, port, entry->mac, - &qpn, &entry->reg_id); - return err; - } - /* CX1 doesn't support multi-functions */ mutex_lock(&table->mutex); @@ -439,7 +262,7 @@ out: mutex_unlock(&table->mutex); return err; } -EXPORT_SYMBOL_GPL(mlx4_replace_mac); +EXPORT_SYMBOL_GPL(__mlx4_replace_mac); static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port, __be32 *entries) |