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authorHariprasad Shenai <hariprasad@chelsio.com>2015-06-05 14:24:47 +0530
committerDavid S. Miller <davem@davemloft.net>2015-06-05 21:25:55 -0700
commit4f3a0fcfb64b107bfbec0779a02438b321cc5dcf (patch)
tree826277d1619e36b37f2855db37932a0dd58540f9 /drivers
parentbb62f791f922254dc1847d3d0b77c9b066d5280b (diff)
downloadlinux-4f3a0fcfb64b107bfbec0779a02438b321cc5dcf.tar.bz2
cxgb4: Free Virtual Interfaces in remove routine
Free VI interfaces in remove routine. If we don't do this then the firmware will never drop the physical link to the peer. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h3
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c5
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c27
3 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index bf2b822d0e8e..93e6cbc3b4a8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -1378,6 +1378,9 @@ int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf,
int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac,
unsigned int *rss_size);
+int t4_free_vi(struct adapter *adap, unsigned int mbox,
+ unsigned int pf, unsigned int vf,
+ unsigned int viid);
int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid,
int mtu, int promisc, int all_multi, int bcast, int vlanex,
bool sleep_ok);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 305715484004..e6abdb7cdcae 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -4538,6 +4538,11 @@ static void free_some_resources(struct adapter *adapter)
for_each_port(adapter, i)
if (adapter->port[i]) {
+ struct port_info *pi = adap2pinfo(adapter, i);
+
+ if (pi->viid != 0)
+ t4_free_vi(adapter, adapter->mbox, adapter->pf,
+ 0, pi->viid);
kfree(adap2pinfo(adapter, i)->rss);
free_netdev(adapter->port[i]);
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index c21ab2686a69..3a56254f27a8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -5226,6 +5226,33 @@ int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
}
/**
+ * t4_free_vi - free a virtual interface
+ * @adap: the adapter
+ * @mbox: mailbox to use for the FW command
+ * @pf: the PF owning the VI
+ * @vf: the VF owning the VI
+ * @viid: virtual interface identifiler
+ *
+ * Free a previously allocated virtual interface.
+ */
+int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf,
+ unsigned int vf, unsigned int viid)
+{
+ struct fw_vi_cmd c;
+
+ memset(&c, 0, sizeof(c));
+ c.op_to_vfn = cpu_to_be32(FW_CMD_OP_V(FW_VI_CMD) |
+ FW_CMD_REQUEST_F |
+ FW_CMD_EXEC_F |
+ FW_VI_CMD_PFN_V(pf) |
+ FW_VI_CMD_VFN_V(vf));
+ c.alloc_to_len16 = cpu_to_be32(FW_VI_CMD_FREE_F | FW_LEN16(c));
+ c.type_viid = cpu_to_be16(FW_VI_CMD_VIID_V(viid));
+
+ return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c);
+}
+
+/**
* t4_set_rxmode - set Rx properties of a virtual interface
* @adap: the adapter
* @mbox: mailbox to use for the FW command