[dpdk-dev] [RFC] net: make eCPRI header host network order
Wang, Haiyue
haiyue.wang at intel.com
Sat Nov 28 04:55:38 CET 2020
Hi Bing,
These definition just use the basic data type, not use the bit field method.
BR,
Haiyue
> -----Original Message-----
> From: Bing Zhao <bingz at nvidia.com>
> Sent: Saturday, November 28, 2020 11:18
> To: Yigit, Ferruh <ferruh.yigit at intel.com>; Olivier Matz <olivier.matz at 6wind.com>
> Cc: dev at dpdk.org; Wang, Haiyue <haiyue.wang at intel.com>; Stephen Hemminger <stephen at networkplumber.org>
> Subject: RE: [RFC] net: make eCPRI header host network order
>
> Hi Ferruh & Haiyue,
> Have you checked other headers? Like:
> rte_ipv4_hdr
> rte_ipv6_hdr
> rte_tcp_hdr
> ...
>
> Also
> [ITEM_UDP_SRC] = {
> .name = "src",
> .help = "UDP source port",
> .next = NEXT(item_udp, NEXT_ENTRY(UNSIGNED), item_param),
> .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_udp,
> hdr.src_port)),
> },
> [ITEM_UDP_DST] = {
> .name = "dst",
> .help = "UDP destination port",
> .next = NEXT(item_udp, NEXT_ENTRY(UNSIGNED), item_param),
> .args = ARGS(ARGS_ENTRY_HTON(struct rte_flow_item_udp,
> hdr.dst_port)),
> },
>
> Or did I get sth. wrong?
>
> BR. Bing
>
> > -----Original Message-----
> > From: Ferruh Yigit <ferruh.yigit at intel.com>
> > Sent: Saturday, November 28, 2020 3:09 AM
> > To: Olivier Matz <olivier.matz at 6wind.com>
> > Cc: Ferruh Yigit <ferruh.yigit at intel.com>; dev at dpdk.org; Haiyue Wang
> > <haiyue.wang at intel.com>; Stephen Hemminger
> > <stephen at networkplumber.org>; Bing Zhao <bingz at nvidia.com>
> > Subject: [RFC] net: make eCPRI header host network order
> >
> > External email: Use caution opening links or attachments
> >
> >
> > Other protocol structs are in the host byte order, having eCPRI in
> > network byte order is insistent and error prone.
> >
> > Making eCPRI protocol header host byte order.
> >
> > Signed-off-by: Haiyue Wang <haiyue.wang at intel.com>
> > Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
> > ---
> > Cc: Stephen Hemminger <stephen at networkplumber.org>
> > Cc: Bing Zhao <bingz at nvidia.com>
> > Cc: Olivier Matz <olivier.matz at 6wind.com>
> > ---
> > lib/librte_net/rte_ecpri.h | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/lib/librte_net/rte_ecpri.h b/lib/librte_net/rte_ecpri.h
> > index 1cbd6d813363..67bf9186ff6f 100644
> > --- a/lib/librte_net/rte_ecpri.h
> > +++ b/lib/librte_net/rte_ecpri.h
> > @@ -60,21 +60,20 @@ extern "C" {
> > RTE_STD_C11
> > struct rte_ecpri_common_hdr {
> > union {
> > - rte_be32_t u32; /**< 4B common
> > header in BE */
> > + uint32_t u32; /**< 4B common
> > header in host byte order */
> > struct {
> > #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
> > - uint32_t size:16; /**< Payload Size */
> > - uint32_t type:8; /**< Message Type */
> > uint32_t c:1; /**< Concatenation
> > Indicator */
> > uint32_t res:3; /**< Reserved */
> > uint32_t revision:4; /**< Protocol
> > Revision */
> > + uint32_t type:8; /**< Message Type */
> > #elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN
> > uint32_t revision:4; /**< Protocol
> > Revision */
> > uint32_t res:3; /**< Reserved */
> > uint32_t c:1; /**< Concatenation
> > Indicator */
> > uint32_t type:8; /**< Message Type */
> > - uint32_t size:16; /**< Payload Size */
> > #endif
> > + uint32_t size:16; /**< Payload Size */
> > };
> > };
> > };
> > --
> > 2.26.2
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