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qcacmn: Affine NAPIs based INI CPU mask

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Affine NAPI CPUs based CPU mask specified in INI config.

Change-Id: I0bea3389a7565f8ec157d4587a442b5e11c33fb2
CRs-Fixed: 2255756
This commit is contained in:
Manjunathappa Prakash
2018-05-29 19:17:25 -07:00
committed by nshrivas
parent b5a400ee01
commit 617ff247dd
2 changed files with 9 additions and 3 deletions
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2
hif/inc/hif.h
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@@ -239,6 +239,7 @@ struct qca_napi_cpu {
* @state: state variable used in the napi stat machine * @state: state variable used in the napi stat machine
* @ce_map: bit map indicating which ce's have napis running * @ce_map: bit map indicating which ce's have napis running
* @exec_map: bit map of instanciated exec contexts * @exec_map: bit map of instanciated exec contexts
* @user_cpu_affin_map: CPU affinity map from INI config.
* @napi_cpu: cpu info for irq affinty * @napi_cpu: cpu info for irq affinty
* @lilcl_head: * @lilcl_head:
* @bigcl_head: * @bigcl_head:
@@ -255,6 +256,7 @@ struct qca_napi_data {
*/ */
uint32_t ce_map; uint32_t ce_map;
uint32_t exec_map; uint32_t exec_map;
uint32_t user_cpu_affin_mask;
struct qca_napi_info *napis[CE_COUNT_MAX]; struct qca_napi_info *napis[CE_COUNT_MAX];
struct qca_napi_cpu napi_cpu[NR_CPUS]; struct qca_napi_cpu napi_cpu[NR_CPUS];
int lilcl_head, bigcl_head; int lilcl_head, bigcl_head;

10
hif/src/hif_napi.c
View File

@@ -1110,7 +1110,7 @@ static void hnc_dump_cpus(struct qca_napi_data *napid) { /* no-op */ };
* !0: error (at least one of lil/big clusters could not be found) * !0: error (at least one of lil/big clusters could not be found)
*/ */
#define HNC_MIN_CLUSTER 0 #define HNC_MIN_CLUSTER 0
#define HNC_MAX_CLUSTER 31 #define HNC_MAX_CLUSTER 1
static int hnc_link_clusters(struct qca_napi_data *napid) static int hnc_link_clusters(struct qca_napi_data *napid)
{ {
int rc = 0; int rc = 0;
@@ -1521,13 +1521,17 @@ retry_disperse:
} }
i = napid->napi_cpu[i].cluster_nxt; i = napid->napi_cpu[i].cluster_nxt;
} }
destidx = smallidx; /* Check if matches with user sepecified CPU mask */
if ((destidx < 0) && (head == napid->bigcl_head)) { smallidx = ((1 << smallidx) & napid->user_cpu_affin_mask) ?
smallidx : -1;
if ((smallidx < 0) && (head == napid->bigcl_head)) {
NAPI_DEBUG("%s: DISPERSE: no bigcl dest, try lilcl", NAPI_DEBUG("%s: DISPERSE: no bigcl dest, try lilcl",
__func__); __func__);
head = i = napid->lilcl_head; head = i = napid->lilcl_head;
goto retry_disperse; goto retry_disperse;
} }
destidx = smallidx;
} }
NAPI_DEBUG("<--%s[dest=%d]", __func__, destidx); NAPI_DEBUG("<--%s[dest=%d]", __func__, destidx);
return destidx; return destidx;