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bnxt_en: Add a driver specific gre_ver_check devlink parameter.

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This patch adds following driver-specific permanent mode boolean
parameter.

gre_ver_check - Generic Routing Encapsulation(GRE) version check
will be enabled in the device. If disabled, device skips version
checking for GRE packets.

Cc: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasundhara Volam 2018-10-04 11:13:50 +05:30 committed by David S. Miller
parent f399e84978
commit 2dc0865e9a
2 changed files with 24 additions and 1 deletions
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24
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
View File

@ -21,6 +21,11 @@ static const struct devlink_ops bnxt_dl_ops = {
#endif /* CONFIG_BNXT_SRIOV */
};
enum bnxt_dl_param_id {
BNXT_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK,
};
static const struct bnxt_dl_nvm_param nvm_params[] = {
{DEVLINK_PARAM_GENERIC_ID_ENABLE_SRIOV, NVM_OFF_ENABLE_SRIOV,
BNXT_NVM_SHARED_CFG, 1},
@ -30,6 +35,8 @@ static const struct bnxt_dl_nvm_param nvm_params[] = {
NVM_OFF_MSIX_VEC_PER_PF_MAX, BNXT_NVM_SHARED_CFG, 10},
{DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7},
{BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, NVM_OFF_DIS_GRE_VER_CHECK,
BNXT_NVM_SHARED_CFG, 1},
};
static int bnxt_hwrm_nvm_req(struct bnxt *bp, u32 param_id, void *msg,
@ -112,9 +119,15 @@ static int bnxt_dl_nvm_param_get(struct devlink *dl, u32 id,
{
struct hwrm_nvm_get_variable_input req = {0};
struct bnxt *bp = bnxt_get_bp_from_dl(dl);
int rc;
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_VARIABLE, -1, -1);
return bnxt_hwrm_nvm_req(bp, id, &req, sizeof(req), &ctx->val);
rc = bnxt_hwrm_nvm_req(bp, id, &req, sizeof(req), &ctx->val);
if (!rc)
if (id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK)
ctx->val.vbool = !ctx->val.vbool;
return rc;
}
static int bnxt_dl_nvm_param_set(struct devlink *dl, u32 id,
@ -124,6 +137,10 @@ static int bnxt_dl_nvm_param_set(struct devlink *dl, u32 id,
struct bnxt *bp = bnxt_get_bp_from_dl(dl);
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_SET_VARIABLE, -1, -1);
if (id == BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK)
ctx->val.vbool = !ctx->val.vbool;
return bnxt_hwrm_nvm_req(bp, id, &req, sizeof(req), &ctx->val);
}
@ -164,6 +181,11 @@ static const struct devlink_param bnxt_dl_params[] = {
BIT(DEVLINK_PARAM_CMODE_PERMANENT),
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
bnxt_dl_msix_validate),
DEVLINK_PARAM_DRIVER(BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK,
"gre_ver_check", DEVLINK_PARAM_TYPE_BOOL,
BIT(DEVLINK_PARAM_CMODE_PERMANENT),
bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
NULL),
};
int bnxt_dl_register(struct bnxt *bp)

1
drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
View File

@ -36,6 +36,7 @@ static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl)
#define NVM_OFF_MSIX_VEC_PER_PF_MAX 108
#define NVM_OFF_MSIX_VEC_PER_PF_MIN 114
#define NVM_OFF_IGNORE_ARI 164
#define NVM_OFF_DIS_GRE_VER_CHECK 171
#define NVM_OFF_ENABLE_SRIOV 401
#define BNXT_MSIX_VEC_MAX 1280