[dpdk-dev] [PATCH v6 1/3] ip_frag: ensure minimum v4 fragmentation length
Lukasz Wojciechowski
l.wojciechow at partner.samsung.com
Tue Apr 21 13:04:07 CEST 2020
W dniu 20.04.2020 o 21:25, Aaron Conole pisze:
> Do a formal parameter check of mtu length, as well as
> checking the the various inputs for validity. If any
> aren't acceptable, we bail.
>
> Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
> Acked-by: Lukasz Wojciechowski <l.wojciechow at partner.samsung.com>
> Signed-off-by: Aaron Conole <aconole at redhat.com>
> ---
> lib/librte_ip_frag/rte_ipv4_fragmentation.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/lib/librte_ip_frag/rte_ipv4_fragmentation.c b/lib/librte_ip_frag/rte_ipv4_fragmentation.c
> index 9e9f986cc5..e9de335ae2 100644
> --- a/lib/librte_ip_frag/rte_ipv4_fragmentation.c
> +++ b/lib/librte_ip_frag/rte_ipv4_fragmentation.c
> @@ -8,6 +8,7 @@
> #include <rte_memcpy.h>
> #include <rte_mempool.h>
> #include <rte_debug.h>
> +#include <rte_ether.h>
>
> #include "ip_frag_common.h"
>
> @@ -76,6 +77,15 @@ rte_ipv4_fragment_packet(struct rte_mbuf *pkt_in,
> uint16_t fragment_offset, flag_offset, frag_size;
> uint16_t frag_bytes_remaining;
>
> + /*
> + * Formal parameter checking.
> + */
> + if (unlikely(pkt_in == NULL) || unlikely(pkts_out == NULL) ||
> + unlikely(nb_pkts_out == 0) ||
> + unlikely(pool_direct == NULL) || unlikely(pool_indirect == NULL) ||
> + unlikely(mtu_size < RTE_ETHER_MIN_MTU))
> + return -EINVAL;
> +
> /*
> * Ensure the IP payload length of all fragments is aligned to a
> * multiple of 8 bytes as per RFC791 section 2.3.
Acked-by: Lukasz Wojciechowski <l.wojciechow at partner.samsung.com>
--
Lukasz Wojciechowski
Principal Software Engineer
Samsung R&D Institute Poland
Samsung Electronics
Office +48 22 377 88 25
l.wojciechow at partner.samsung.com
More information about the dev
mailing list