/* Get TCAM entry if valid, NULL if invalid */
static struct tcam_entry *pnc_tcam_entry_get(int tid)
{
struct tcam_entry *te;
te = tcam_sw_alloc(0);
tcam_hw_read(te, tid);
if (te->ctrl.flags & TCAM_F_INV) {
tcam_sw_free(te);
return NULL;
}
return te;
}
static ssize_t tcam_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
const char* name = attr->attr.name;
unsigned int err=0, a=0, b=0;
unsigned long flags;
if (!capable(CAP_NET_ADMIN))
return -EPERM;
sscanf(buf,"%x %x",&a, &b);
raw_local_irq_save(flags);
if (!strcmp(name, "hw_write"))
tcam_hw_write(&te, a);
else if (!strcmp(name, "hw_read"))
tcam_hw_read(&te, a);
else if (!strcmp(name, "hw_debug"))
tcam_hw_debug(a);
else if (!strcmp(name, "hw_inv"))
tcam_hw_inv(a);
else if (!strcmp(name, "hw_inv_all"))
tcam_hw_inv_all();
else if (!strcmp(name, "hw_hits"))
tcam_hw_record(a);
#ifdef CONFIG_MV_ETH_PNC_AGING
else if (!strcmp(name, "age_clear"))
mvPncAgingCntrClear(a);
else if (!strcmp(name, "age_cntr")) {
b = mvPncAgingCntrRead(a);
printk("tid=%d: age_cntr = 0x%08x\n", a, b);
}
#endif /* CONFIG_MV_ETH_PNC_AGING */
else if (!strcmp(name, "sw_clear"))
tcam_sw_clear(&te);
else if (!strcmp(name, "sw_text"))
{
/* Remove last byte (new line) from the buffer */
int len = strlen(buf);
char* temp = mvOsMalloc(len + 1);
strncpy(temp, buf, len-1);
temp[len-1] = 0;
tcam_sw_text(&te, temp);
mvOsFree(temp);
}
else if (!strcmp(name, "t_port"))
tcam_sw_set_port(&te, a, b);
else if (!strcmp(name, "t_lookup"))
tcam_sw_set_lookup(&te, a);
else if (!strcmp(name, "t_ainfo_0"))
tcam_sw_set_ainfo(&te, 0<<a, 1<<a);
else if (!strcmp(name, "t_ainfo_1"))
tcam_sw_set_ainfo(&te, 1<<a, 1<<a);
else if (!strcmp(name, "t_ainfo"))
tcam_sw_set_ainfo(&te, a, b);
else if (!strcmp(name, "t_offset_byte"))
tcam_sw_set_byte(&te, a, b);
else if (!strcmp(name, "t_offset_mask"))
tcam_sw_set_mask(&te, a, b);
else if (!strcmp(name, "s_lookup"))
sram_sw_set_next_lookup(&te, a);
else if (!strcmp(name, "s_ainfo"))
sram_sw_set_ainfo(&te, a, b);
else if (!strcmp(name, "s_lookup_done"))
sram_sw_set_lookup_done(&te, a);
else if (!strcmp(name, "s_next_lookup_shift"))
sram_sw_set_next_lookup_shift(&te, a);
else if (!strcmp(name, "s_rxq"))
sram_sw_set_rxq(&te, a, b);
else if (!strcmp(name, "s_shift_update"))
sram_sw_set_shift_update(&te,a,b);
else if (!strcmp(name, "s_rinfo"))
sram_sw_set_rinfo(&te, 1 << a);
else if (!strcmp(name, "s_rinfo_extra"))
sram_sw_set_rinfo_extra(&te, a << (b & ~1));
else if (!strcmp(name, "s_flowid"))
sram_sw_set_flowid(&te, a, b);
else if (!strcmp(name, "s_flowid_nibble"))
sram_sw_set_flowid_nibble(&te, a, b);
#ifdef CONFIG_MV_ETH_PNC_AGING
else if (!strcmp(name, "age_gr_set"))
mvPncAgingCntrGroupSet(a, b);
#endif /* CONFIG_MV_ETH_PNC_AGING */
else {
err = 1;
printk("%s: illegal operation <%s>\n", __FUNCTION__, attr->attr.name);
}
raw_local_irq_restore(flags);
if (err)
printk("%s: <%s>, error %d\n", __FUNCTION__, attr->attr.name, err);
return err ? -EINVAL : len;
}