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path: root/drivers/infiniband/hw/cxgb4/cm.c
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/cm.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c87
1 files changed, 71 insertions, 16 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 57176ddd4c50..3ad8dc798f52 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -583,6 +583,22 @@ static void c4iw_record_pm_msg(struct c4iw_ep *ep,
sizeof(ep->com.mapped_remote_addr));
}
+static int get_remote_addr(struct c4iw_ep *parent_ep, struct c4iw_ep *child_ep)
+{
+ int ret;
+
+ print_addr(&parent_ep->com, __func__, "get_remote_addr parent_ep ");
+ print_addr(&child_ep->com, __func__, "get_remote_addr child_ep ");
+
+ ret = iwpm_get_remote_info(&parent_ep->com.mapped_local_addr,
+ &child_ep->com.mapped_remote_addr,
+ &child_ep->com.remote_addr, RDMA_NL_C4IW);
+ if (ret)
+ PDBG("Unable to find remote peer addr info - err %d\n", ret);
+
+ return ret;
+}
+
static void best_mtu(const unsigned short *mtus, unsigned short mtu,
unsigned int *idx, int use_ts, int ipv6)
{
@@ -675,7 +691,7 @@ static int send_connect(struct c4iw_ep *ep)
if (is_t5(ep->com.dev->rdev.lldi.adapter_type)) {
opt2 |= T5_OPT_2_VALID_F;
opt2 |= CONG_CNTRL_V(CONG_ALG_TAHOE);
- opt2 |= CONG_CNTRL_VALID; /* OPT_2_ISS for T5 */
+ opt2 |= T5_ISS_F;
}
t4_set_arp_err_handler(skb, ep, act_open_req_arp_failure);
@@ -2042,9 +2058,12 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
status, status2errno(status));
if (is_neg_adv(status)) {
- dev_warn(&dev->rdev.lldi.pdev->dev,
- "Connection problems for atid %u status %u (%s)\n",
- atid, status, neg_adv_str(status));
+ PDBG("%s Connection problems for atid %u status %u (%s)\n",
+ __func__, atid, status, neg_adv_str(status));
+ ep->stats.connect_neg_adv++;
+ mutex_lock(&dev->rdev.stats.lock);
+ dev->rdev.stats.neg_adv++;
+ mutex_unlock(&dev->rdev.stats.lock);
return 0;
}
@@ -2214,7 +2233,7 @@ static void accept_cr(struct c4iw_ep *ep, struct sk_buff *skb,
u32 isn = (prandom_u32() & ~7UL) - 1;
opt2 |= T5_OPT_2_VALID_F;
opt2 |= CONG_CNTRL_V(CONG_ALG_TAHOE);
- opt2 |= CONG_CNTRL_VALID; /* OPT_2_ISS for T5 */
+ opt2 |= T5_ISS_F;
rpl5 = (void *)rpl;
memset(&rpl5->iss, 0, roundup(sizeof(*rpl5)-sizeof(*rpl), 16));
if (peer2peer)
@@ -2352,27 +2371,57 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
state_set(&child_ep->com, CONNECTING);
child_ep->com.dev = dev;
child_ep->com.cm_id = NULL;
+
+ /*
+ * The mapped_local and mapped_remote addresses get setup with
+ * the actual 4-tuple. The local address will be based on the
+ * actual local address of the connection, but on the port number
+ * of the parent listening endpoint. The remote address is
+ * setup based on a query to the IWPM since we don't know what it
+ * originally was before mapping. If no mapping was done, then
+ * mapped_remote == remote, and mapped_local == local.
+ */
if (iptype == 4) {
struct sockaddr_in *sin = (struct sockaddr_in *)
- &child_ep->com.local_addr;
+ &child_ep->com.mapped_local_addr;
+
sin->sin_family = PF_INET;
sin->sin_port = local_port;
sin->sin_addr.s_addr = *(__be32 *)local_ip;
- sin = (struct sockaddr_in *)&child_ep->com.remote_addr;
+
+ sin = (struct sockaddr_in *)&child_ep->com.local_addr;
+ sin->sin_family = PF_INET;
+ sin->sin_port = ((struct sockaddr_in *)
+ &parent_ep->com.local_addr)->sin_port;
+ sin->sin_addr.s_addr = *(__be32 *)local_ip;
+
+ sin = (struct sockaddr_in *)&child_ep->com.mapped_remote_addr;
sin->sin_family = PF_INET;
sin->sin_port = peer_port;
sin->sin_addr.s_addr = *(__be32 *)peer_ip;
} else {
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)
- &child_ep->com.local_addr;
+ &child_ep->com.mapped_local_addr;
+
sin6->sin6_family = PF_INET6;
sin6->sin6_port = local_port;
memcpy(sin6->sin6_addr.s6_addr, local_ip, 16);
- sin6 = (struct sockaddr_in6 *)&child_ep->com.remote_addr;
+
+ sin6 = (struct sockaddr_in6 *)&child_ep->com.local_addr;
+ sin6->sin6_family = PF_INET6;
+ sin6->sin6_port = ((struct sockaddr_in6 *)
+ &parent_ep->com.local_addr)->sin6_port;
+ memcpy(sin6->sin6_addr.s6_addr, local_ip, 16);
+
+ sin6 = (struct sockaddr_in6 *)&child_ep->com.mapped_remote_addr;
sin6->sin6_family = PF_INET6;
sin6->sin6_port = peer_port;
memcpy(sin6->sin6_addr.s6_addr, peer_ip, 16);
}
+ memcpy(&child_ep->com.remote_addr, &child_ep->com.mapped_remote_addr,
+ sizeof(child_ep->com.remote_addr));
+ get_remote_addr(parent_ep, child_ep);
+
c4iw_get_ep(&parent_ep->com);
child_ep->parent_ep = parent_ep;
child_ep->tos = PASS_OPEN_TOS_G(ntohl(req->tos_stid));
@@ -2520,9 +2569,13 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
ep = lookup_tid(t, tid);
if (is_neg_adv(req->status)) {
- dev_warn(&dev->rdev.lldi.pdev->dev,
- "Negative advice on abort - tid %u status %d (%s)\n",
- ep->hwtid, req->status, neg_adv_str(req->status));
+ PDBG("%s Negative advice on abort- tid %u status %d (%s)\n",
+ __func__, ep->hwtid, req->status,
+ neg_adv_str(req->status));
+ ep->stats.abort_neg_adv++;
+ mutex_lock(&dev->rdev.stats.lock);
+ dev->rdev.stats.neg_adv++;
+ mutex_unlock(&dev->rdev.stats.lock);
return 0;
}
PDBG("%s ep %p tid %u state %u\n", __func__, ep, ep->hwtid,
@@ -3571,7 +3624,7 @@ static void send_fw_pass_open_req(struct c4iw_dev *dev, struct sk_buff *skb,
* TP will ignore any value > 0 for MSS index.
*/
req->tcb.opt0 = cpu_to_be64(MSS_IDX_V(0xF));
- req->cookie = (unsigned long)skb;
+ req->cookie = (uintptr_t)skb;
set_wr_txq(req_skb, CPL_PRIORITY_CONTROL, port_id);
ret = cxgb4_ofld_send(dev->rdev.lldi.ports[0], req_skb);
@@ -3931,9 +3984,11 @@ static int peer_abort_intr(struct c4iw_dev *dev, struct sk_buff *skb)
return 0;
}
if (is_neg_adv(req->status)) {
- dev_warn(&dev->rdev.lldi.pdev->dev,
- "Negative advice on abort - tid %u status %d (%s)\n",
- ep->hwtid, req->status, neg_adv_str(req->status));
+ PDBG("%s Negative advice on abort- tid %u status %d (%s)\n",
+ __func__, ep->hwtid, req->status,
+ neg_adv_str(req->status));
+ ep->stats.abort_neg_adv++;
+ dev->rdev.stats.neg_adv++;
kfree_skb(skb);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 06:57:22 +0000