[dpdk-dev] [PATCH v2 4/9] ethdev: support PF index in representor
From: Xueming Li <hidden>
Date: 2021-01-06 16:19:01
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
To support representor in bonding, this patch introduces 'pf' section to representor devargs syntax: [pf#]vf#: VF port representor/s, example: vf3, pf0vf3 [pf#]sf#: SF port representor/s, example: sf2, pf1sf2 pf# is optional for SF and VF representor, indicates owner PF device of SF or VF. Signed-off-by: Xueming Li <redacted> --- doc/guides/prog_guide/poll_mode_drv.rst | 1 + lib/librte_ethdev/ethdev_private.c | 15 +++++++++++++-- lib/librte_ethdev/rte_ethdev_driver.h | 1 + 3 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/doc/guides/prog_guide/poll_mode_drv.rst b/doc/guides/prog_guide/poll_mode_drv.rst
index 831d620c8d..87f23c4f49 100644
--- a/doc/guides/prog_guide/poll_mode_drv.rst
+++ b/doc/guides/prog_guide/poll_mode_drv.rst@@ -378,6 +378,7 @@ parameters to those ports. -a DBDF,representor=vf[0,4,6,9] -a DBDF,representor=vf[0-31] -a DBDF,representor=sf[0-1023] + -a DBDF,representor=pf[0-1]sf[0-1023] Note: PMDs are not required to support the standard device arguments and users should consult the relevant PMD documentation to see support devargs.
diff --git a/lib/librte_ethdev/ethdev_private.c b/lib/librte_ethdev/ethdev_private.c
index 551a43738a..ccc638ec49 100644
--- a/lib/librte_ethdev/ethdev_private.c
+++ b/lib/librte_ethdev/ethdev_private.c@@ -95,8 +95,8 @@ rte_eth_devargs_process_list(char *str, uint16_t *list, uint16_t *len_list, /* * representor format: * #: range or single number of VF representor - legacy - * vf#: VF port representor/s - * sf#: SF port representor/s + * [pf#]vf#: VF port representor/s + * [pf#]sf#: SF port representor/s */ int rte_eth_devargs_parse_representor_ports(char *str, void *data)
@@ -105,6 +105,16 @@ rte_eth_devargs_parse_representor_ports(char *str, void *data) int ret; eth_da->type = RTE_ETH_REPRESENTOR_NONE; + /* Parse pf# */ + if (str[0] == 'p' && str[1] == 'f') { + eth_da->type = RTE_ETH_REPRESENTOR_PF; + str += 2; + ret = rte_eth_devargs_process_list(str, eth_da->ports, + ð_da->nb_ports, RTE_MAX_ETHPORTS); + if (ret < 0) + goto err; + str += ret; + } /* Parse vf# and sf#, number # alone implies VF */ if (str[0] == 'v' && str[1] == 'f') { eth_da->type = RTE_ETH_REPRESENTOR_VF;
@@ -117,6 +127,7 @@ rte_eth_devargs_parse_representor_ports(char *str, void *data) } ret = rte_eth_devargs_process_list(str, eth_da->representor_ports, ð_da->nb_representor_ports, RTE_MAX_ETHPORTS); +err: if (ret < 0) RTE_LOG(ERR, EAL, "wrong representor format: %s\n", str); return ret < 0 ? ret : 0;
diff --git a/lib/librte_ethdev/rte_ethdev_driver.h b/lib/librte_ethdev/rte_ethdev_driver.h
index 086d64223a..edb000cbd4 100644
--- a/lib/librte_ethdev/rte_ethdev_driver.h
+++ b/lib/librte_ethdev/rte_ethdev_driver.h@@ -1198,6 +1198,7 @@ enum rte_eth_representor_type { RTE_ETH_REPRESENTOR_NONE, /* not a representor */ RTE_ETH_REPRESENTOR_VF, /* representor of VF */ RTE_ETH_REPRESENTOR_SF, /* representor of SF */ + RTE_ETH_REPRESENTOR_PF, /* representor of host PF */ }; /** Generic Ethernet device arguments */
--
2.25.1