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Commit 8db573ba authored by Ariel Elior's avatar Ariel Elior Committed by David S. Miller
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bnx2x: Support of PF driver of a VF setup_q request 



Upon receiving a 'setup_q' request from the VF over the VF <-> PF
channel the PF driver will open a corresponding queue in the
device. The PF driver configures the queue with appropriate mac
address, vlan configuration, etc from the VF.

Signed-off-by: default avatarAriel Elior <ariele@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 67c431a5

drivers/net/ethernet/broadcom/bnx2x/bnx2x.h

+1 −0
Original line number Diff line number Diff line
@@ -969,6 +969,7 @@ extern struct workqueue_struct *bnx2x_wq; 
#define BNX2X_MAX_NUM_OF_VFS	64

#define BNX2X_VF_CID_WND	0

#define BNX2X_CIDS_PER_VF	(1 << BNX2X_VF_CID_WND)

#define BNX2X_CLIENTS_PER_VF	1

#define BNX2X_FIRST_VF_CID	256

#define BNX2X_VF_CIDS		(BNX2X_MAX_NUM_OF_VFS * BNX2X_CIDS_PER_VF)

#define BNX2X_VF_ID_INVALID	0xFF

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

+13 −5
Original line number Diff line number Diff line
@@ -2029,7 +2029,7 @@ static void bnx2x_free_fw_stats_mem(struct bnx2x *bp) 


static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp)

{

	int num_groups;

	int num_groups, vf_headroom = 0;

	int is_fcoe_stats = NO_FCOE(bp) ? 0 : 1;



	/* number of queues for statistics is number of eth queues + FCoE */
@@ -2042,18 +2042,26 @@ static int bnx2x_alloc_fw_stats_mem(struct bnx2x *bp) 
	 */

	bp->fw_stats_num = 2 + is_fcoe_stats + num_queue_stats;



	/* vf stats appear in the request list, but their data is allocated by

	 * the VFs themselves. We don't include them in the bp->fw_stats_num as

	 * it is used to determine where to place the vf stats queries in the

	 * request struct

	 */

	if (IS_SRIOV(bp))

		vf_headroom = bp->vfdb->sriov.nr_virtfn * BNX2X_CLIENTS_PER_VF;



	/* Request is built from stats_query_header and an array of

	 * stats_query_cmd_group each of which contains

	 * STATS_QUERY_CMD_COUNT rules. The real number or requests is

	 * configured in the stats_query_header.

	 */

	num_groups =

		(((bp->fw_stats_num) / STATS_QUERY_CMD_COUNT) +

		 (((bp->fw_stats_num) % STATS_QUERY_CMD_COUNT) ?

		(((bp->fw_stats_num + vf_headroom) / STATS_QUERY_CMD_COUNT) +

		 (((bp->fw_stats_num + vf_headroom) % STATS_QUERY_CMD_COUNT) ?

		 1 : 0));



	DP(BNX2X_MSG_SP, "stats fw_stats_num %d, num_groups %d\n",

	   bp->fw_stats_num, num_groups);

	DP(BNX2X_MSG_SP, "stats fw_stats_num %d, vf headroom %d, num_groups %d\n",

	   bp->fw_stats_num, vf_headroom, num_groups);

	bp->fw_stats_req_sz = sizeof(struct stats_query_header) +

		num_groups * sizeof(struct stats_query_cmd_group);