samsung_sm8750/android_kernel_samsung_sm8750
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cxgb4: Free Virtual Interfaces in remove routine

Browse Source 
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>
This commit is contained in:
Hariprasad Shenai
2015-06-05 14:24:47 +05:30
committed by David S. Miller
parent bb62f791f9
commit 4f3a0fcfb6
3 changed files with 35 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
View File

@@ -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);

5
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@@ -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]);
}

27
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
View File

@@ -5225,6 +5225,33 @@ int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port,
return FW_VI_CMD_VIID_G(be16_to_cpu(c.type_viid));
}
/**
* 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