diff options
author | Denis Bolotin <denis.bolotin@cavium.com> | 2018-07-04 17:06:46 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2018-07-05 13:27:09 +0900 |
commit | 5e7ba042fd05043416babace5a4a953e29cf2826 (patch) | |
tree | a8b7ba575c92659af40f465537a9c4636b7281f7 /drivers/net/ethernet | |
parent | df8ed346d4a806a6eef2db5924285e839604b3f9 (diff) | |
download | linux-5e7ba042fd05043416babace5a4a953e29cf2826.tar.bz2 |
qed: Fix reading stale configuration information
Configuration information read at driver load can become stale after it is
updated. Mark information as not valid and re-populate when this happens.
Signed-off-by: Denis Bolotin <denis.bolotin@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed.h | 1 | ||||
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_mcp.c | 39 |
2 files changed, 28 insertions, 12 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h index 00db3401b898..1dfaccd151f0 100644 --- a/drivers/net/ethernet/qlogic/qed/qed.h +++ b/drivers/net/ethernet/qlogic/qed/qed.h @@ -502,6 +502,7 @@ enum BAR_ID { struct qed_nvm_image_info { u32 num_images; struct bist_nvm_image_att *image_att; + bool valid; }; #define DRV_MODULE_VERSION \ diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index 4e0b443c9519..9d9e533bccdc 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -592,6 +592,9 @@ int qed_mcp_nvm_wr_cmd(struct qed_hwfn *p_hwfn, *o_mcp_resp = mb_params.mcp_resp; *o_mcp_param = mb_params.mcp_param; + /* nvm_info needs to be updated */ + p_hwfn->nvm_info.valid = false; + return 0; } @@ -2555,11 +2558,14 @@ int qed_mcp_bist_nvm_get_image_att(struct qed_hwfn *p_hwfn, int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) { - struct qed_nvm_image_info *nvm_info = &p_hwfn->nvm_info; + struct qed_nvm_image_info nvm_info; struct qed_ptt *p_ptt; int rc; u32 i; + if (p_hwfn->nvm_info.valid) + return 0; + p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) { DP_ERR(p_hwfn, "failed to acquire ptt\n"); @@ -2567,29 +2573,29 @@ int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) } /* Acquire from MFW the amount of available images */ - nvm_info->num_images = 0; + nvm_info.num_images = 0; rc = qed_mcp_bist_nvm_get_num_images(p_hwfn, - p_ptt, &nvm_info->num_images); + p_ptt, &nvm_info.num_images); if (rc == -EOPNOTSUPP) { DP_INFO(p_hwfn, "DRV_MSG_CODE_BIST_TEST is not supported\n"); goto out; - } else if (rc || !nvm_info->num_images) { + } else if (rc || !nvm_info.num_images) { DP_ERR(p_hwfn, "Failed getting number of images\n"); goto err0; } - nvm_info->image_att = kmalloc_array(nvm_info->num_images, - sizeof(struct bist_nvm_image_att), - GFP_KERNEL); - if (!nvm_info->image_att) { + nvm_info.image_att = kmalloc_array(nvm_info.num_images, + sizeof(struct bist_nvm_image_att), + GFP_KERNEL); + if (!nvm_info.image_att) { rc = -ENOMEM; goto err0; } /* Iterate over images and get their attributes */ - for (i = 0; i < nvm_info->num_images; i++) { + for (i = 0; i < nvm_info.num_images; i++) { rc = qed_mcp_bist_nvm_get_image_att(p_hwfn, p_ptt, - &nvm_info->image_att[i], i); + &nvm_info.image_att[i], i); if (rc) { DP_ERR(p_hwfn, "Failed getting image index %d attributes\n", i); @@ -2597,14 +2603,22 @@ int qed_mcp_nvm_info_populate(struct qed_hwfn *p_hwfn) } DP_VERBOSE(p_hwfn, QED_MSG_SP, "image index %d, size %x\n", i, - nvm_info->image_att[i].len); + nvm_info.image_att[i].len); } out: + /* Update hwfn's nvm_info */ + if (nvm_info.num_images) { + p_hwfn->nvm_info.num_images = nvm_info.num_images; + kfree(p_hwfn->nvm_info.image_att); + p_hwfn->nvm_info.image_att = nvm_info.image_att; + p_hwfn->nvm_info.valid = true; + } + qed_ptt_release(p_hwfn, p_ptt); return 0; err1: - kfree(nvm_info->image_att); + kfree(nvm_info.image_att); err0: qed_ptt_release(p_hwfn, p_ptt); return rc; @@ -2641,6 +2655,7 @@ qed_mcp_get_nvm_image_att(struct qed_hwfn *p_hwfn, return -EINVAL; } + qed_mcp_nvm_info_populate(p_hwfn); for (i = 0; i < p_hwfn->nvm_info.num_images; i++) if (type == p_hwfn->nvm_info.image_att[i].image_type) break; |