iw_cxgb4: Add support for clip
Add support for ipv6 address handling clip api provided by lld Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Acked-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Hariprasad S
Doug Ledford
parent
6c26a77124
commit
84cc6ac62d
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@ -50,6 +50,7 @@
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#include <rdma/ib_addr.h>
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#include "iw_cxgb4.h"
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#include "clip_tbl.h"
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static char *states[] = {
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"idle",
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@ -298,6 +299,16 @@ void _c4iw_free_ep(struct kref *kref)
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if (test_bit(QP_REFERENCED, &ep->com.flags))
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deref_qp(ep);
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if (test_bit(RELEASE_RESOURCES, &ep->com.flags)) {
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)
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&ep->com.mapped_local_addr;
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cxgb4_clip_release(
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ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr,
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1);
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}
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remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid);
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cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, ep->hwtid);
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dst_release(ep->dst);
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@ -442,6 +453,12 @@ static void act_open_req_arp_failure(void *handle, struct sk_buff *skb)
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kfree_skb(skb);
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connect_reply_upcall(ep, -EHOSTUNREACH);
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state_set(&ep->com, DEAD);
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)&ep->com.mapped_local_addr;
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cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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}
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remove_handle(ep->com.dev, &ep->com.dev->atid_idr, ep->atid);
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cxgb4_free_atid(ep->com.dev->rdev.lldi.tids, ep->atid);
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dst_release(ep->dst);
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@ -640,6 +657,7 @@ static int send_connect(struct c4iw_ep *ep)
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struct sockaddr_in6 *ra6 = (struct sockaddr_in6 *)
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&ep->com.mapped_remote_addr;
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int win;
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int ret;
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wrlen = (ep->com.remote_addr.ss_family == AF_INET) ?
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roundup(sizev4, 16) :
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@ -693,6 +711,11 @@ static int send_connect(struct c4iw_ep *ep)
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opt2 |= CONG_CNTRL_V(CONG_ALG_TAHOE);
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opt2 |= T5_ISS_F;
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}
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if (ep->com.remote_addr.ss_family == AF_INET6)
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cxgb4_clip_get(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&la6->sin6_addr.s6_addr, 1);
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t4_set_arp_err_handler(skb, ep, act_open_req_arp_failure);
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if (is_t4(ep->com.dev->rdev.lldi.adapter_type)) {
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@ -790,7 +813,11 @@ static int send_connect(struct c4iw_ep *ep)
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}
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set_bit(ACT_OPEN_REQ, &ep->com.history);
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return c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
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ret = c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
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if (ret && ep->com.remote_addr.ss_family == AF_INET6)
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cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&la6->sin6_addr.s6_addr, 1);
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return ret;
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}
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static void send_mpa_req(struct c4iw_ep *ep, struct sk_buff *skb,
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@ -2091,6 +2118,15 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
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case CPL_ERR_CONN_EXIST:
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if (ep->retry_count++ < ACT_OPEN_RETRY_COUNT) {
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set_bit(ACT_RETRY_INUSE, &ep->com.history);
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)
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&ep->com.mapped_local_addr;
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cxgb4_clip_release(
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ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)
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&sin6->sin6_addr.s6_addr, 1);
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}
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remove_handle(ep->com.dev, &ep->com.dev->atid_idr,
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atid);
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cxgb4_free_atid(t, atid);
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@ -2118,6 +2154,12 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
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connect_reply_upcall(ep, status2errno(status));
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state_set(&ep->com, DEAD);
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)&ep->com.mapped_local_addr;
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cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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}
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if (status && act_open_has_tid(status))
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cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, GET_TID(rpl));
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@ -2302,6 +2344,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
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struct dst_entry *dst;
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__u8 local_ip[16], peer_ip[16];
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__be16 local_port, peer_port;
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struct sockaddr_in6 *sin6;
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int err;
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u16 peer_mss = ntohs(req->tcpopt.mss);
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int iptype;
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@ -2400,9 +2443,7 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
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sin->sin_port = peer_port;
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sin->sin_addr.s_addr = *(__be32 *)peer_ip;
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} else {
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)
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&child_ep->com.mapped_local_addr;
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sin6 = (struct sockaddr_in6 *)&child_ep->com.mapped_local_addr;
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sin6->sin6_family = PF_INET6;
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sin6->sin6_port = local_port;
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memcpy(sin6->sin6_addr.s6_addr, local_ip, 16);
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@ -2436,6 +2477,11 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
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insert_handle(dev, &dev->hwtid_idr, child_ep, child_ep->hwtid);
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accept_cr(child_ep, skb, req);
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set_bit(PASS_ACCEPT_REQ, &child_ep->com.history);
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if (iptype == 6) {
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sin6 = (struct sockaddr_in6 *)&child_ep->com.mapped_local_addr;
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cxgb4_clip_get(child_ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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}
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goto out;
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reject:
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reject_cr(dev, hwtid, skb);
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@ -2672,6 +2718,15 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
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if (release)
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release_ep_resources(ep);
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else if (ep->retry_with_mpa_v1) {
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)
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&ep->com.mapped_local_addr;
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cxgb4_clip_release(
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ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr,
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1);
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}
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remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid);
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cxgb4_remove_tid(ep->com.dev->rdev.lldi.tids, 0, ep->hwtid);
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dst_release(ep->dst);
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@ -3186,6 +3241,9 @@ static int create_server6(struct c4iw_dev *dev, struct c4iw_listen_ep *ep)
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pr_err("cxgb4_create_server6/filter failed err %d stid %d laddr %pI6 lport %d\n",
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err, ep->stid,
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sin6->sin6_addr.s6_addr, ntohs(sin6->sin6_port));
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else
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cxgb4_clip_get(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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return err;
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}
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@ -3334,6 +3392,7 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
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ep->com.dev->rdev.lldi.ports[0], ep->stid,
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ep->com.dev->rdev.lldi.rxq_ids[0], 0);
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} else {
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struct sockaddr_in6 *sin6;
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c4iw_init_wr_wait(&ep->com.wr_wait);
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err = cxgb4_remove_server(
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ep->com.dev->rdev.lldi.ports[0], ep->stid,
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@ -3342,6 +3401,9 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
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goto done;
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err = c4iw_wait_for_reply(&ep->com.dev->rdev, &ep->com.wr_wait,
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0, 0, __func__);
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sin6 = (struct sockaddr_in6 *)&ep->com.mapped_local_addr;
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cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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}
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remove_handle(ep->com.dev, &ep->com.dev->stid_idr, ep->stid);
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cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid,
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@ -3461,6 +3523,12 @@ static void active_ofld_conn_reply(struct c4iw_dev *dev, struct sk_buff *skb,
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mutex_unlock(&dev->rdev.stats.lock);
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connect_reply_upcall(ep, status2errno(req->retval));
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state_set(&ep->com, DEAD);
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if (ep->com.remote_addr.ss_family == AF_INET6) {
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struct sockaddr_in6 *sin6 =
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(struct sockaddr_in6 *)&ep->com.mapped_local_addr;
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cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
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(const u32 *)&sin6->sin6_addr.s6_addr, 1);
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}
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remove_handle(dev, &dev->atid_idr, atid);
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cxgb4_free_atid(dev->rdev.lldi.tids, atid);
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dst_release(ep->dst);
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