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authorRoland Dreier <roland@purestorage.com>2014-01-22 23:24:21 -0800
committerRoland Dreier <roland@purestorage.com>2014-01-22 23:24:21 -0800
commitfb1b5034e4987b158179a62732fb6dfb8f7ec88e (patch)
tree93d02ff7f0f530286fd54d03b632c6eaabc9dcc9 /include/rdma
parent8f399921ea9a562bc8221258c4b8a7bd69577939 (diff)
parent27cdef637c25705b433d5c4deeef4cf8dcb75d6a (diff)
downloadlinux-linaro-stable-fb1b5034e4987b158179a62732fb6dfb8f7ec88e.tar.gz
Merge branch 'ip-roce' into for-next
Conflicts: drivers/infiniband/hw/mlx4/main.c
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_addr.h69
-rw-r--r--include/rdma/ib_cm.h1
-rw-r--r--include/rdma/ib_pack.h1
-rw-r--r--include/rdma/ib_sa.h3
-rw-r--r--include/rdma/ib_verbs.h21
5 files changed, 73 insertions, 22 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index f3ac0f2c4c66..ce55906b54a0 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -38,10 +38,15 @@
#include <linux/in6.h>
#include <linux/if_arp.h>
#include <linux/netdevice.h>
+#include <linux/inetdevice.h>
#include <linux/socket.h>
#include <linux/if_vlan.h>
+#include <net/ipv6.h>
+#include <net/if_inet6.h>
+#include <net/ip.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
+#include <net/ipv6.h>
struct rdma_addr_client {
atomic_t refcount;
@@ -72,7 +77,8 @@ struct rdma_dev_addr {
* rdma_translate_ip - Translate a local IP address to an RDMA hardware
* address.
*/
-int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr);
+int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr,
+ u16 *vlan_id);
/**
* rdma_resolve_ip - Resolve source and destination IP addresses to
@@ -104,6 +110,10 @@ int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
int rdma_addr_size(struct sockaddr *addr);
+int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 *smac, u16 *vlan_id);
+int rdma_addr_find_dmac_by_grh(union ib_gid *sgid, union ib_gid *dgid, u8 *smac,
+ u16 *vlan_id);
+
static inline u16 ib_addr_get_pkey(struct rdma_dev_addr *dev_addr)
{
return ((u16)dev_addr->broadcast[8] << 8) | (u16)dev_addr->broadcast[9];
@@ -126,41 +136,60 @@ static inline int rdma_addr_gid_offset(struct rdma_dev_addr *dev_addr)
return dev_addr->dev_type == ARPHRD_INFINIBAND ? 4 : 0;
}
-static inline void iboe_mac_vlan_to_ll(union ib_gid *gid, u8 *mac, u16 vid)
+static inline u16 rdma_vlan_dev_vlan_id(const struct net_device *dev)
{
- memset(gid->raw, 0, 16);
- *((__be32 *) gid->raw) = cpu_to_be32(0xfe800000);
- if (vid < 0x1000) {
- gid->raw[12] = vid & 0xff;
- gid->raw[11] = vid >> 8;
- } else {
- gid->raw[12] = 0xfe;
- gid->raw[11] = 0xff;
+ return dev->priv_flags & IFF_802_1Q_VLAN ?
+ vlan_dev_vlan_id(dev) : 0xffff;
+}
+
+static inline int rdma_ip2gid(struct sockaddr *addr, union ib_gid *gid)
+{
+ switch (addr->sa_family) {
+ case AF_INET:
+ ipv6_addr_set_v4mapped(((struct sockaddr_in *)
+ addr)->sin_addr.s_addr,
+ (struct in6_addr *)gid);
+ break;
+ case AF_INET6:
+ memcpy(gid->raw, &((struct sockaddr_in6 *)addr)->sin6_addr, 16);
+ break;
+ default:
+ return -EINVAL;
}
- memcpy(gid->raw + 13, mac + 3, 3);
- memcpy(gid->raw + 8, mac, 3);
- gid->raw[8] ^= 2;
+ return 0;
}
-static inline u16 rdma_vlan_dev_vlan_id(const struct net_device *dev)
+/* Important - sockaddr should be a union of sockaddr_in and sockaddr_in6 */
+static inline int rdma_gid2ip(struct sockaddr *out, union ib_gid *gid)
{
- return dev->priv_flags & IFF_802_1Q_VLAN ?
- vlan_dev_vlan_id(dev) : 0xffff;
+ if (ipv6_addr_v4mapped((struct in6_addr *)gid)) {
+ struct sockaddr_in *out_in = (struct sockaddr_in *)out;
+ memset(out_in, 0, sizeof(*out_in));
+ out_in->sin_family = AF_INET;
+ memcpy(&out_in->sin_addr.s_addr, gid->raw + 12, 4);
+ } else {
+ struct sockaddr_in6 *out_in = (struct sockaddr_in6 *)out;
+ memset(out_in, 0, sizeof(*out_in));
+ out_in->sin6_family = AF_INET6;
+ memcpy(&out_in->sin6_addr.s6_addr, gid->raw, 16);
+ }
+ return 0;
}
static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr,
union ib_gid *gid)
{
struct net_device *dev;
- u16 vid = 0xffff;
+ struct in_device *ip4;
dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if);
if (dev) {
- vid = rdma_vlan_dev_vlan_id(dev);
+ ip4 = (struct in_device *)dev->ip_ptr;
+ if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address)
+ ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address,
+ (struct in6_addr *)gid);
dev_put(dev);
}
-
- iboe_mac_vlan_to_ll(gid, dev_addr->src_dev_addr, vid);
}
static inline void rdma_addr_get_sgid(struct rdma_dev_addr *dev_addr, union ib_gid *gid)
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 0e3ff30647d5..f29e3a27c2cc 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -601,4 +601,5 @@ struct ib_cm_sidr_rep_param {
int ib_send_cm_sidr_rep(struct ib_cm_id *cm_id,
struct ib_cm_sidr_rep_param *param);
+int ib_update_cm_av(struct ib_cm_id *id, const u8 *smac, const u8 *alt_smac);
#endif /* IB_CM_H */
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index b37fe3b10a9d..b1f7592e02e4 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -34,6 +34,7 @@
#define IB_PACK_H
#include <rdma/ib_verbs.h>
+#include <uapi/linux/if_ether.h>
enum {
IB_LRH_BYTES = 8,
diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
index 125f8714301d..7e071a6abb34 100644
--- a/include/rdma/ib_sa.h
+++ b/include/rdma/ib_sa.h
@@ -154,6 +154,9 @@ struct ib_sa_path_rec {
u8 packet_life_time_selector;
u8 packet_life_time;
u8 preference;
+ u8 smac[ETH_ALEN];
+ u8 dmac[ETH_ALEN];
+ u16 vlan_id;
};
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index c6d343078617..8d4a1c06f7e4 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -48,6 +48,7 @@
#include <linux/rwsem.h>
#include <linux/scatterlist.h>
#include <linux/workqueue.h>
+#include <uapi/linux/if_ether.h>
#include <linux/atomic.h>
#include <asm/uaccess.h>
@@ -474,6 +475,8 @@ struct ib_ah_attr {
u8 static_rate;
u8 ah_flags;
u8 port_num;
+ u8 dmac[ETH_ALEN];
+ u16 vlan_id;
};
enum ib_wc_status {
@@ -526,6 +529,8 @@ enum ib_wc_flags {
IB_WC_WITH_IMM = (1<<1),
IB_WC_WITH_INVALIDATE = (1<<2),
IB_WC_IP_CSUM_OK = (1<<3),
+ IB_WC_WITH_SMAC = (1<<4),
+ IB_WC_WITH_VLAN = (1<<5),
};
struct ib_wc {
@@ -546,6 +551,8 @@ struct ib_wc {
u8 sl;
u8 dlid_path_bits;
u8 port_num; /* valid only for DR SMPs on switches */
+ u8 smac[ETH_ALEN];
+ u16 vlan_id;
};
enum ib_cq_notify_flags {
@@ -724,7 +731,11 @@ enum ib_qp_attr_mask {
IB_QP_MAX_DEST_RD_ATOMIC = (1<<17),
IB_QP_PATH_MIG_STATE = (1<<18),
IB_QP_CAP = (1<<19),
- IB_QP_DEST_QPN = (1<<20)
+ IB_QP_DEST_QPN = (1<<20),
+ IB_QP_SMAC = (1<<21),
+ IB_QP_ALT_SMAC = (1<<22),
+ IB_QP_VID = (1<<23),
+ IB_QP_ALT_VID = (1<<24),
};
enum ib_qp_state {
@@ -774,6 +785,10 @@ struct ib_qp_attr {
u8 rnr_retry;
u8 alt_port_num;
u8 alt_timeout;
+ u8 smac[ETH_ALEN];
+ u8 alt_smac[ETH_ALEN];
+ u16 vlan_id;
+ u16 alt_vlan_id;
};
enum ib_wr_opcode {
@@ -1505,6 +1520,7 @@ static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len
* @next_state: Next QP state
* @type: QP type
* @mask: Mask of supplied QP attributes
+ * @ll : link layer of port
*
* This function is a helper function that a low-level driver's
* modify_qp method can use to validate the consumer's input. It
@@ -1513,7 +1529,8 @@ static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len
* and that the attribute mask supplied is allowed for the transition.
*/
int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state,
- enum ib_qp_type type, enum ib_qp_attr_mask mask);
+ enum ib_qp_type type, enum ib_qp_attr_mask mask,
+ enum rdma_link_layer ll);
int ib_register_event_handler (struct ib_event_handler *event_handler);
int ib_unregister_event_handler(struct ib_event_handler *event_handler);