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bnx2x: extend DCBx support 

This adds support for default application priority.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz 2016-02-16 18:08:00 +02:00 committed by David S. Miller
parent 9c73267d2e
commit e5d3a51cef
2 changed files with 47 additions and 15 deletions
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53
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
View File

@ -195,6 +195,7 @@ static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
u32 error) {
u8 index;
u32 *ttp = bp->dcbx_port_params.app.traffic_type_priority;
u8 iscsi_pri_found = 0, fcoe_pri_found = 0;
if (GET_FLAGS(error, DCBX_LOCAL_APP_ERROR))
DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_ERROR\n");
@ -210,29 +211,57 @@ static void bnx2x_dcbx_get_ap_feature(struct bnx2x *bp,
bp->dcbx_port_params.app.enabled = true;
/* Use 0 as the default application priority for all. */
for (index = 0 ; index < LLFC_DRIVER_TRAFFIC_TYPE_MAX; index++)
ttp[index] = 0;
if (app->default_pri < MAX_PFC_PRIORITIES)
ttp[LLFC_TRAFFIC_TYPE_NW] = app->default_pri;
for (index = 0 ; index < DCBX_MAX_APP_PROTOCOL; index++) {
struct dcbx_app_priority_entry *entry =
app->app_pri_tbl;
enum traffic_type type = MAX_TRAFFIC_TYPE;
if (GET_FLAGS(entry[index].appBitfield,
DCBX_APP_SF_ETH_TYPE) &&
ETH_TYPE_FCOE == entry[index].app_id)
bnx2x_dcbx_get_ap_priority(bp,
entry[index].pri_bitmap,
LLFC_TRAFFIC_TYPE_FCOE);
if (GET_FLAGS(entry[index].appBitfield,
DCBX_APP_SF_DEFAULT) &&
GET_FLAGS(entry[index].appBitfield,
DCBX_APP_SF_ETH_TYPE)) {
type = LLFC_TRAFFIC_TYPE_NW;
} else if (GET_FLAGS(entry[index].appBitfield,
DCBX_APP_SF_PORT) &&
TCP_PORT_ISCSI == entry[index].app_id)
TCP_PORT_ISCSI == entry[index].app_id) {
type = LLFC_TRAFFIC_TYPE_ISCSI;
iscsi_pri_found = 1;
} else if (GET_FLAGS(entry[index].appBitfield,
DCBX_APP_SF_ETH_TYPE) &&
ETH_TYPE_FCOE == entry[index].app_id) {
type = LLFC_TRAFFIC_TYPE_FCOE;
fcoe_pri_found = 1;
}
if (type == MAX_TRAFFIC_TYPE)
continue;
bnx2x_dcbx_get_ap_priority(bp,
entry[index].pri_bitmap,
LLFC_TRAFFIC_TYPE_ISCSI);
type);
}
/* If we have received a non-zero default application
* priority, then use that for applications which are
* not configured with any priority.
*/
if (ttp[LLFC_TRAFFIC_TYPE_NW] != 0) {
if (!iscsi_pri_found) {
ttp[LLFC_TRAFFIC_TYPE_ISCSI] =
ttp[LLFC_TRAFFIC_TYPE_NW];
DP(BNX2X_MSG_DCB,
"ISCSI is using default priority.\n");
}
if (!fcoe_pri_found) {
ttp[LLFC_TRAFFIC_TYPE_FCOE] =
ttp[LLFC_TRAFFIC_TYPE_NW];
DP(BNX2X_MSG_DCB,
"FCoE is using default priority.\n");
}
}
} else {
DP(BNX2X_MSG_DCB, "DCBX_LOCAL_APP_DISABLED\n");

5
drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
View File

@ -1831,10 +1831,13 @@ struct dcbx_app_priority_entry {
#elif defined(__LITTLE_ENDIAN)
u8 appBitfield;
#define DCBX_APP_ENTRY_VALID 0x01
#define DCBX_APP_ENTRY_SF_MASK 0x30
#define DCBX_APP_ENTRY_SF_MASK 0xF0
#define DCBX_APP_ENTRY_SF_SHIFT 4
#define DCBX_APP_ENTRY_VALID 0x01
#define DCBX_APP_SF_ETH_TYPE 0x10
#define DCBX_APP_SF_PORT 0x20
#define DCBX_APP_SF_UDP 0x40
#define DCBX_APP_SF_DEFAULT 0x80
u8 pri_bitmap;
u16 app_id;
#endif