Hi Wisam, > -----Original Message----- > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Wisam Jaddo > Sent: Wednesday, May 9, 2018 1:47 PM > To: Wu, Jingjing <jingjing...@intel.com>; Lu, Wenzhuo > <wenzhuo...@intel.com>; tho...@monjalon.net > Cc: rasl...@mellanox.com; dev@dpdk.org; shah...@mellanox.com; > wis...@mellanox.com > Subject: [dpdk-dev] [PATCH v3 2/2] app/testpmd: add set topology on the fly > command > > Change the forward topology while testpmd is running, the valid topologies > are loop, paired, chained & custom. > > When the forward topology is changed on the fly, all the ports will restore > their active status. > > usage: > testpmd> set fwd-topo paired|chained|loop|custom > > Signed-off-by: Wisam Jaddo <wis...@mellanox.com> > --- > app/test-pmd/cmdline.c | 42 > +++++++++++++++++++++++++++++ > app/test-pmd/config.c | 25 +++++++++++++++++ > app/test-pmd/testpmd.h | 1 + > doc/guides/testpmd_app_ug/testpmd_funcs.rst | 8 ++++++ > 4 files changed, 76 insertions(+) > > diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index > 9d48048..00fd4c7 100644 > --- a/app/test-pmd/cmdline.c > +++ b/app/test-pmd/cmdline.c > @@ -7651,6 +7651,47 @@ cmdline_parse_inst_t cmd_set_fwd_eth_peer = { > NULL, > }, > }; > +/* *** SET CUSTOM TOPO FOR CERTAIN PORT *** */ struct > +cmd_set_fwd_topo_result { > + cmdline_fixed_string_t set; > + cmdline_fixed_string_t fwd_topo; > + cmdline_fixed_string_t topo; > +}; > + > +static void cmd_set_fwd_topo_parsed(void *parsed_result, > + __attribute__((unused)) struct cmdline *cl, > + __attribute__((unused)) void *data) { > + struct cmd_set_fwd_topo_result *res = parsed_result; > + > + if (test_done == 0) { > + printf("Please stop forwarding first\n"); > + return; > + } > + if (!strcmp(res->fwd_topo, "fwd-topo")) { > + set_set_fwd_topo(res->topo); > + fwd_config_setup(); > + } > +} > + > +cmdline_parse_token_string_t cmd_set_fwd_topo_set = > + TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_topo_result, set, > "set"); > +cmdline_parse_token_string_t cmd_set_fwd_topo_fwd_topo = > + TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_topo_result, > fwd_topo, > +"fwd-topo"); cmdline_parse_token_string_t cmd_set_fwd_topo_topo = > + TOKEN_STRING_INITIALIZER(struct cmd_set_fwd_topo_result, topo, > NULL); > + > +cmdline_parse_inst_t cmd_set_fwd_topo = { > + .f = cmd_set_fwd_topo_parsed, > + .data = NULL, > + .help_str = "set fwd-topo loop|paired|chained|custom", > + .tokens = { > + (void *)&cmd_set_fwd_topo_set, > + (void *)&cmd_set_fwd_topo_fwd_topo, > + (void *)&cmd_set_fwd_topo_topo, > + NULL, > + }, > +}; > > /* *** SET CUSTOM TOPO FOR CERTAIN PORT *** */ struct > cmd_custom_topo_result { @@ -16589,6 +16630,7 @@ cmdline_parse_ctx_t > main_ctx[] = { > (cmdline_parse_inst_t *)&cmd_mac_addr, > (cmdline_parse_inst_t *)&cmd_set_fwd_eth_peer, > (cmdline_parse_inst_t *)&cmd_set_custom_topo, > + (cmdline_parse_inst_t *)&cmd_set_fwd_topo, > (cmdline_parse_inst_t *)&cmd_set_qmap, > (cmdline_parse_inst_t *)&cmd_set_xstats_hide_zero, > (cmdline_parse_inst_t *)&cmd_operate_port, diff --git a/app/test- > pmd/config.c b/app/test-pmd/config.c index 23799ad..eaad885 100644 > --- a/app/test-pmd/config.c > +++ b/app/test-pmd/config.c > @@ -2380,6 +2380,31 @@ set_fwd_eth_peer(portid_t port_id, char > *peer_addr) > new_peer_addr[c]; > } > > +void > +set_set_fwd_topo(char *topology) > +{ > + unsigned int portlist[RTE_MAX_ETHPORTS]; > + unsigned int nb_pt = 0; > + unsigned int i; > + > + if (!strcmp(topology, "custom")) > + port_topology = PORT_TOPOLOGY_CUSTOM; > + else if (!strcmp(topology, "loop")) > + port_topology = PORT_TOPOLOGY_LOOP; > + else if (!strcmp(topology, "chained")) > + port_topology = PORT_TOPOLOGY_CHAINED; > + else if (!strcmp(topology, "paired")) > + port_topology = PORT_TOPOLOGY_PAIRED; > + else { > + printf("Please set valid forward topology\n"); > + printf("valid topologies are: [custom, paired, loop & > chained]\n"); > + } > + for (i = 0; i < RTE_MAX_ETHPORTS; i++) > + if (rte_eth_dev_is_valid_port((portid_t) i)) > + portlist[nb_pt++] = i; > + set_fwd_ports_list(portlist, nb_pt); > +} > + > static void > print_ports_range(void) > { > diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index > 3250683..6b9db3b 100644 > --- a/app/test-pmd/testpmd.h > +++ b/app/test-pmd/testpmd.h > @@ -605,6 +605,7 @@ int init_fwd_streams(void); > > void set_fwd_eth_peer(portid_t port_id, char *peer_addr); void > set_custom_topo(portid_t port_id_1, portid_t port_id_2); > +void set_set_fwd_topo(char *topology); > void port_mtu_set(portid_t port_id, uint16_t mtu); void > port_reg_bit_display(portid_t port_id, uint32_t reg_off, uint8_t bit_pos); > void port_reg_bit_set(portid_t port_id, uint32_t reg_off, uint8_t bit_pos, > diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst > b/doc/guides/testpmd_app_ug/testpmd_funcs.rst > index 5edf210..584ed6b 100644 > --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst > +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst > @@ -1098,6 +1098,14 @@ In custom topology the active ports will be the > defiend in custum-topo only:: > > testpmd> set custom-topo (port_id_1) (port_id_2) > > +set fwd-topo > +~~~~~~~~~~~~ > +Set the forward topology on the fly. > +Once the forward topology is changed on the fly, all ports will restore > +it's active > +status:: > + > + testpmd> set fwd-topo loop|paired|chained|loop > + > set port-uta > ~~~~~~~~~~~~ > > -- > 2.7.4
This patch does not apply to the dpdk_18_05_rc4 master branch and needs to be rebased. It also has several checkpatch warnings which should be addressed. Regards, Bernard.