cxgb4i : Call into recently added cxgb4 ipv6 api

Get a reference on every ipv6 address we offload to hardware so that it cannot
be prematurely cleared out before cleanup.

Signed-off-by: Anish Bhatt <anish@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
index 37d7191..dd00e5f 100644 (file)
--- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
+++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c
@@ -28,6 +28,7 @@
 #include "t4fw_api.h"
 #include "l2t.h"
 #include "cxgb4i.h"
+#include "clip_tbl.h"
 
 static unsigned int dbg_level;
 
@@ -1322,6 +1323,9 @@ static inline void l2t_put(struct cxgbi_sock *csk)
 static void release_offload_resources(struct cxgbi_sock *csk)
 {
        struct cxgb4_lld_info *lldi;
+#if IS_ENABLED(CONFIG_IPV6)
+       struct net_device *ndev = csk->cdev->ports[csk->port_id];
+#endif
 
        log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK,
                "csk 0x%p,%u,0x%lx,%u.\n",
@@ -1334,6 +1338,12 @@ static void release_offload_resources(struct cxgbi_sock *csk)
        }
 
        l2t_put(csk);
+#if IS_ENABLED(CONFIG_IPV6)
+       if (csk->csk_family == AF_INET6)
+               cxgb4_clip_release(ndev,
+                                  (const u32 *)&csk->saddr6.sin6_addr, 1);
+#endif
+
        if (cxgbi_sock_flag(csk, CTPF_HAS_ATID))
                free_atid(csk);
        else if (cxgbi_sock_flag(csk, CTPF_HAS_TID)) {
@@ -1391,10 +1401,15 @@ static int init_act_open(struct cxgbi_sock *csk)
        csk->l2t = cxgb4_l2t_get(lldi->l2t, n, ndev, 0);
        if (!csk->l2t) {
                pr_err("%s, cannot alloc l2t.\n", ndev->name);
-               goto rel_resource;
+               goto rel_resource_without_clip;
        }
        cxgbi_sock_get(csk);
 
+#if IS_ENABLED(CONFIG_IPV6)
+       if (csk->csk_family == AF_INET6)
+               cxgb4_clip_get(ndev, (const u32 *)&csk->saddr6.sin6_addr, 1);
+#endif
+
        if (t4) {
                size = sizeof(struct cpl_act_open_req);
                size6 = sizeof(struct cpl_act_open_req6);
@@ -1451,6 +1466,12 @@ static int init_act_open(struct cxgbi_sock *csk)
        return 0;
 
 rel_resource:
+#if IS_ENABLED(CONFIG_IPV6)
+       if (csk->csk_family == AF_INET6)
+               cxgb4_clip_release(ndev,
+                                  (const u32 *)&csk->saddr6.sin6_addr, 1);
+#endif
+rel_resource_without_clip:
        if (n)
                neigh_release(n);
        if (skb)