intel/i40e/i40e_main.c

1849  * @lut: pointer to lookup table of lut_size
1853 			      u8 *lut, u16 lut_size)
1871 	if (lut) {
1874 		ret = i40e_aq_set_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
1877 				 "Cannot set RSS lut, err %pe aq_err %s\n",
1894 	u8 *lut;
1904 	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
1905 	if (!lut)
1912 		memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
1914 		i40e_fill_rss_lut(pf, lut, vsi->rss_table_size, vsi->rss_size);
1919 	ret = i40e_config_rss_aq(vsi, seed, lut, vsi->rss_table_size);
1920 	kfree(lut);
6205 	u8 *lut;
6215 	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
6216 	if (!lut)
6219 	/* Ignoring user configured lut if there is one */
6220 	i40e_fill_rss_lut(pf, lut, vsi->rss_table_size, local_rss_size);
6230 	ret = i40e_config_rss(vsi, seed, lut, vsi->rss_table_size);
6233 			 "Cannot set RSS lut, err %pe aq_err %s\n",
6236 		kfree(lut);
6239 	kfree(lut);
12239  * i40e_get_rss_aq - Get RSS keys and lut by using AQ commands
12242  * @lut: Buffer to store the lookup table entries
12248 			   u8 *lut, u16 lut_size)
12267 	if (lut) {
12270 		ret = i40e_aq_get_rss_lut(hw, vsi->id, pf_lut, lut, lut_size);
12273 				 "Cannot get RSS lut, err %pe aq_err %s\n",
12285  * i40e_config_rss_reg - Configure RSS keys and lut by writing registers
12288  * @lut: Lookup table
12294 			       const u8 *lut, u16 lut_size)
12316 	if (lut) {
12317 		u32 *lut_dw = (u32 *)lut;
12339  * i40e_get_rss_reg - Get the RSS keys and lut by reading registers
12342  * @lut: Buffer to store the lookup table entries
12348 			    u8 *lut, u16 lut_size)
12360 	if (lut) {
12361 		u32 *lut_dw = (u32 *)lut;
12373  * i40e_config_rss - Configure RSS keys and lut
12376  * @lut: Lookup table
12381 int i40e_config_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
12386 		return i40e_config_rss_aq(vsi, seed, lut, lut_size);
12388 		return i40e_config_rss_reg(vsi, seed, lut, lut_size);
12392  * i40e_get_rss - Get RSS keys and lut
12395  * @lut: Buffer to store the lookup table entries
12400 int i40e_get_rss(struct i40e_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
12405 		return i40e_get_rss_aq(vsi, seed, lut, lut_size);
12407 		return i40e_get_rss_reg(vsi, seed, lut, lut_size);
12413  * @lut: Lookup table
12417 void i40e_fill_rss_lut(struct i40e_pf *pf, u8 *lut,
12423 		lut[i] = i % rss_size;
12434 	u8 *lut;
12470 	lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
12471 	if (!lut)
12474 	/* Use user configured lut if there is one, otherwise use default */
12476 		memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
12478 		i40e_fill_rss_lut(pf, lut, vsi->rss_table_size, vsi->rss_size);
12487 	ret = i40e_config_rss(vsi, seed, lut, vsi->rss_table_size);
12488 	kfree(lut);
12525 		/* Discard the user configured hash keys and lut, if less
12531 				"discard user configured hash keys and lut\n");