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Increase the limit > now since this release allows changing ABI. > > Signed-off-by: Stephen Hemminger > --- > doc/guides/rel_notes/release_24_11.rst | 5 +++++ > lib/eal/include/rte_eal.h | 2 +- > 2 files changed, 6 insertions(+), 1 deletion(-) > > diff --git a/doc/guides/rel_notes/release_24_11.rst b/doc/guides/rel_notes/release_24_11.rst > index 0ff70d9057..5af70e04c5 100644 > --- a/doc/guides/rel_notes/release_24_11.rst > +++ b/doc/guides/rel_notes/release_24_11.rst > @@ -100,6 +100,11 @@ ABI Changes > Also, make sure to start the actual text at the margin. > ======================================================= > > +* The maximum number of file descriptors that can be passed to a secondary process > + has been increased from 8 to 253 (which is the maximum possible with Unix domain > + socket). This allows for more queues when using software devices such as TAP > + and XDP. > + > > Known Issues > ------------ > diff --git a/lib/eal/include/rte_eal.h b/lib/eal/include/rte_eal.h > index c2256f832e..c826e143f1 100644 > --- a/lib/eal/include/rte_eal.h > +++ b/lib/eal/include/rte_eal.h > @@ -155,7 +155,7 @@ int rte_eal_primary_proc_alive(const char *config_file_path); > */ > bool rte_mp_disable(void); > > -#define RTE_MP_MAX_FD_NUM 8 /* The max amount of fds */ > +#define RTE_MP_MAX_FD_NUM 253 /* The max amount of fds (see SCM_MAX_FD) */ > #define RTE_MP_MAX_NAME_LEN 64 /* The max length of action name */ > #define RTE_MP_MAX_PARAM_LEN 256 /* The max length of param */ > struct rte_mp_msg { > It would be nice to add this to deprecation notice first, but it seems we missed, I think it is safe to update in ABI break release and good to remove this restriction. Acked-by: Ferruh Yigit