netdev - Re: [PATCH net-next v2 11/12] net: homa: create homa_plumbing.c homa

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Message-ID: <a0358f1e-a63c-4059-adc8-d2f338710e36@linux.alibaba.com>
Date: Mon, 9 Dec 2024 14:45:52 +0800
From: "D. Wythe" <alibuda@...ux.alibaba.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: John Ousterhout <ouster@...stanford.edu>, netdev@...r.kernel.org,
 linux-api@...r.kernel.org
Subject: Re: [PATCH net-next v2 11/12] net: homa: create homa_plumbing.c
 homa_utils.c



On 12/3/24 9:51 AM, Andrew Lunn wrote:
> On Mon, Dec 02, 2024 at 11:51:48AM +0800, D. Wythe wrote:
>>> +/**
>>> + * homa_setsockopt() - Implements the getsockopt system call for Homa sockets.
>>> + * @sk:      Socket on which the system call was invoked.
>>> + * @level:   Level at which the operation should be handled; will always
>>> + *           be IPPROTO_HOMA.
>>> + * @optname: Identifies a particular setsockopt operation.
>>> + * @optval:  Address in user space of information about the option.
>>> + * @optlen:  Number of bytes of data at @optval.
>>> + * Return:   0 on success, otherwise a negative errno.
>>> + */
>>> +int homa_setsockopt(struct sock *sk, int level, int optname, sockptr_t optval,
>>> +		    unsigned int optlen)
>>> +{
>>> +	struct homa_sock *hsk = homa_sk(sk);
>>> +	struct homa_set_buf_args args;
>>> +	int ret;
>>> +
>>> +	if (level != IPPROTO_HOMA || optname != SO_HOMA_SET_BUF ||
>>> +	    optlen != sizeof(struct homa_set_buf_args))
>>> +		return -EINVAL;
>>
>> SO_HOMA_SET_BUF is a bit odd here, maybe HOMA_RCVBUF ? which also can be
>> implemented in getsockopt.
> 
> Please trim the text when replying to just the needed context. With
> pages and pages of useless quoted text it is easy to overlook your
> comments.
> 
> 	Andrew

Got it. Thanks for advice.

D. Wythe