d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

net/cnxk: support parsing custom SA action

Browse Source 
Adding devargs support to parse custom SA action.
Devargs can be specified in the following way.
-a 0002:02:00.0,custom_sa_act=1

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Kiran Kumar K 2022-05-04 10:41:17 +05:30 committed by Jerin Jacob
parent bbe8d1f198
commit 7df4ead354
2 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
doc/guides/nics/cnxk.rst
View File

@ -251,6 +251,26 @@ Runtime Config Options
With the above configuration, application can enable inline IPsec processing
for 128 outbound SAs.
- ``Enable custom SA action`` (default ``0``)
Custom SA action can be enabled by specifying ``custom_sa_act`` ``devargs`` parameter.
For example::
-a 0002:02:00.0,custom_sa_act=1
With the above configuration, application can enable custom SA action. This
configuration allows the potential for a MCAM entry to match many SAs,
rather than only match a single SA.
For cnxk device sa_index will be calculated based on SPI value. So, it will
be 1 to 1 mapping. By enabling this devargs and setting a MCAM rule, will
allow application to configure the sa_index as part of session create. And
later original SPI value can be updated using session update.
For example, application can set sa_index as 0 using session create as SPI value
and later can update the original SPI value (for example 0x10000001) using
session update. And create a flow rule with security action and algorithm as
RTE_PMD_CNXK_SEC_ACTION_ALG0 and sa_hi as 0x1000 and sa_lo as 0x0001.
- ``Outbound CPT LF queue size`` (default ``8200``)
Size of Outbound CPT LF queue in number of descriptors can be specified by

10
drivers/net/cnxk/cnxk_ethdev_devargs.c
View File

@ -245,6 +245,7 @@ parse_sdp_channel_mask(const char *key, const char *value, void *extra_args)
#define CNXK_OUTB_NB_CRYPTO_QS "outb_nb_crypto_qs"
#define CNXK_SDP_CHANNEL_MASK "sdp_channel_mask"
#define CNXK_FLOW_PRE_L2_INFO "flow_pre_l2_info"
#define CNXK_CUSTOM_SA_ACT "custom_sa_act"
int
cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
@ -263,9 +264,10 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
struct sdp_channel sdp_chan;
uint16_t rss_tag_as_xor = 0;
uint16_t scalar_enable = 0;
uint8_t lock_rx_ctx = 0;
uint16_t custom_sa_act = 0;
struct rte_kvargs *kvlist;
uint16_t no_inl_dev = 0;
uint8_t lock_rx_ctx = 0;
memset(&sdp_chan, 0, sizeof(sdp_chan));
memset(&pre_l2_info, 0, sizeof(struct flow_pre_l2_size_info));
@ -307,6 +309,8 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
&parse_sdp_channel_mask, &sdp_chan);
rte_kvargs_process(kvlist, CNXK_FLOW_PRE_L2_INFO,
&parse_pre_l2_hdr_info, &pre_l2_info);
rte_kvargs_process(kvlist, CNXK_CUSTOM_SA_ACT, &parse_flag,
&custom_sa_act);
rte_kvargs_free(kvlist);
null_devargs:
@ -323,6 +327,7 @@ cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
dev->nix.max_sqb_count = sqb_count;
dev->nix.reta_sz = reta_sz;
dev->nix.lock_rx_ctx = lock_rx_ctx;
dev->nix.custom_sa_action = custom_sa_act;
dev->npc.flow_prealloc_size = flow_prealloc_size;
dev->npc.flow_max_priority = flow_max_priority;
dev->npc.switch_header_type = switch_header_type;
@ -350,4 +355,5 @@ RTE_PMD_REGISTER_PARAM_STRING(net_cnxk,
CNXK_FLOW_PRE_L2_INFO "=<0-255>/<1-255>/<0-1>"
CNXK_OUTB_NB_CRYPTO_QS "=<1-64>"
CNXK_NO_INL_DEV "=0"
CNXK_SDP_CHANNEL_MASK "=<1-4095>/<1-4095>");
CNXK_SDP_CHANNEL_MASK "=<1-4095>/<1-4095>"
CNXK_CUSTOM_SA_ACT "=1");