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Provide hit-count with rest of the information about a filter.

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MFC after:	1 week
This commit is contained in:
Navdeep Parhar 2011-06-01 01:32:58 +00:00
parent 136e410ceb
commit 272cba15b8
1 changed files with 19 additions and 1 deletions
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20
sys/dev/cxgbe/t4_main.c
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@ -305,6 +305,7 @@ static uint32_t mode_to_fconf(uint32_t);
static uint32_t fspec_to_fconf(struct t4_filter_specification *);
static int get_filter_mode(struct adapter *, uint32_t *);
static int set_filter_mode(struct adapter *, uint32_t);
static inline uint64_t get_filter_hits(struct adapter *, uint32_t);
static int get_filter(struct adapter *, struct t4_filter *);
static int set_filter(struct adapter *, struct t4_filter *);
static int del_filter(struct adapter *, struct t4_filter *);
@ -3064,6 +3065,20 @@ done:
return (rc);
}
static inline uint64_t
get_filter_hits(struct adapter *sc, uint32_t fid)
{
uint32_t tcb_base = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
uint64_t hits;
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 0),
tcb_base + (fid + sc->tids.ftid_base) * TCB_SIZE);
t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 0));
hits = t4_read_reg64(sc, MEMWIN0_BASE + 16);
return (be64toh(hits));
}
static int
get_filter(struct adapter *sc, struct t4_filter *t)
{
@ -3087,7 +3102,10 @@ get_filter(struct adapter *sc, struct t4_filter *t)
t->idx = i;
t->l2tidx = f->l2t ? f->l2t->idx : 0;
t->smtidx = f->smtidx;
t->hits = 0; /* XXX implement */
if (f->fs.hitcnts)
t->hits = get_filter_hits(sc, t->idx);
else
t->hits = UINT64_MAX;
t->fs = f->fs;
return (0);